| Season | Country | Airport | Coordination Level | SHL sent on | SAL sent on |
| W21 | Denmark (DK) | AAL (AALBORG AIRPORT) | Data collection (Level 1) | 2021/04/13 | 2021/06/01 |
| W21 | Denmark (DK) | AAR (AARHUS LUFTHAVN - TIRSTRUP) | Data collection (Level 1) | 2021/04/13 | 2021/06/01 |
| W21 | United Kingdom (GB) | ABZ (ABERDEEN) | Schedules Facilitated (Level 2) | | |
| W21 | Spain (ES) | ACE (LANZAROTE) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Turkey (TR) | ADB (IZMIR - ADNAN MENDERES) | Schedules Facilitated (Level 2) | | 2021/06/03 |
| W21 | Norway (NO) | AES (AALESUND VIGRA) | Schedules Facilitated (Level 2) | | |
| W21 | Iceland (IS) | AEY (Akureyri) | Schedules Facilitated (Level 2) | | |
| W21 | Sweden (SE) | AGH (Ängelholm Helsingborg) | Schedules Facilitated (Level 2) | 2021/04/15 | |
| W21 | Spain (ES) | AGP (MÁLAGA-COSTA DEL SOL) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | France (FR) | AJA (NAPOLEON BONAPARTE ) | Data collection (Level 1) | 2021/04/16 | 2021/06/03 |
| W21 | Spain (ES) | ALC (ALICANTE) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Norway (NO) | ALF (ALTA) | Schedules Facilitated (Level 2) | | |
| W21 | Netherlands (NL) | AMS (AMSTERDAM SCHIPHOL) | Coordinated (Level 3) | 2021/04/19 | 2021/05/28 |
| W21 | Greece (GR) | AOK (KARPATHOS) | Data collection (Level 1) | | |
| W21 | Sweden (SE) | ARN (STOCKHOLM-ARLANDA) | Coordinated (Level 3) | 2021/04/15 | 2021/06/03 |
| W21 | Greece (GR) | ATH (ATHENS) | Data collection (Level 1) | | |
| W21 | Greece (GR) | AXD (ALEXANDROUPOLIS) | Data collection (Level 1) | | |
| W21 | Turkey (TR) | AYT (ANTALYA) | Schedules Facilitated (Level 2) | | 2021/06/03 |
| W21 | Spain (ES) | BCN (BARCELONA-EL PRAT) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Italy (IT) | BDS (BRINDISI) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Germany (DE) | BER (BERLIN/BRANDENBURG) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | United Kingdom (GB) | BFS (BELFAST INTERNATIONAL) | Schedules Facilitated (Level 2) | | |
| W21 | Norway (NO) | BGO (BERGEN FLESLAND) | Coordinated (Level 3) | 2021/04/16 | |
| W21 | Italy (IT) | BGY (BERGAMO - Orio al Serio) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | United Kingdom (GB) | BHD (BELFAST CITY ) | Schedules Facilitated (Level 2) | | |
| W21 | United Kingdom (GB) | BHX (BIRMINGHAM) | Coordinated (Level 3) | 2021/04/13 | |
| W21 | Spain (ES) | BIO (BILBAO) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Turkey (TR) | BJV (BODRUM - MILAS) | Schedules Facilitated (Level 2) | | 2021/06/03 |
| W21 | Spain (ES) | BJZ (BADAJOZ) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Denmark (DK) | BLL (BILLUND AIRPORT) | Coordinated (Level 3) | 2021/04/13 | 2021/06/01 |
| W21 | Italy (IT) | BLQ (BOLOGNA - G. Marconi) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/03 |
| W21 | Sweden (SE) | BMA (STOCKHOLM-BROMMA) | Coordinated (Level 3) | 2021/04/15 | 2021/06/01 |
| W21 | France (FR) | BOD (BORDEAUX MERIGNAC) | Data collection (Level 1) | 2021/04/16 | 2021/06/03 |
| W21 | United Kingdom (GB) | BOH (BOURNEMOUTH) | Data collection (Level 1) | | |
| W21 | Norway (NO) | BOO (BODO) | Schedules Facilitated (Level 2) | | |
| W21 | Germany (DE) | BRE (BREMEN) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Italy (IT) | BRI (BARI) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | United Kingdom (GB) | BRS (BRISTOL) | Schedules Facilitated (Level 2) | | |
| W21 | Belgium (BE) | BRU (BRUSSELS NATIONAL) | Coordinated (Level 3) | 2021/04/16 | 2021/05/28 |
| W21 | France (FR) | BSL (BASEL MULHOUSE) | Coordinated (Level 3) | | |
| W21 | Slovakia (SK) | BTS (BRATISLAVA - M R STEFANIK) | Schedules Facilitated (Level 2) | 2021/04/14 | 2021/05/26 |
| W21 | Hungary (HU) | BUD (BUDAPEST LISZT FERENC) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/05/31 |
| W21 | Italy (IT) | CAG (CAGLIARI - Elmas) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | France (FR) | CDG (PARIS CHARLES-DE-GAULLE) | Coordinated (Level 3) | 2021/04/16 | 2021/06/03 |
| W21 | France (FR) | CEQ (CANNES MANDELIEU) | No specific status | 2021/04/16 | 2021/06/03 |
| W21 | Greece (GR) | CFU (CORFU) | Data collection (Level 1) | | |
| W21 | Germany (DE) | CGN (COLOGNE/BONN) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Greece (GR) | CHQ (CHANIA) | Data collection (Level 1) | | |
| W21 | Italy (IT) | CIA (ROME Ciampino - G.B. Pastine) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | France (FR) | CMF (CHAMBERY AIX LES BAINS) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/06/03 |
| W21 | Denmark (DK) | CPH (COPENHAGEN AIRPORT - KASTRUP) | Coordinated (Level 3) | 2021/04/13 | 2021/06/01 |
| W21 | Italy (IT) | CTA (CATANIA - Fontanarossa) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | United Kingdom (GB) | CWL (CARDIFF) | Data collection (Level 1) | | |
| W21 | Turkey (TR) | DLM (DALAMAN) | Schedules Facilitated (Level 2) | | 2021/06/03 |
| W21 | Russia (RU) | DME (MOSCOW - DOMODEDOVO) | Schedules Facilitated (Level 2) | | |
| W21 | Germany (DE) | DRS (DRESDEN) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Ireland (IE) | DUB (DUBLIN) | Coordinated (Level 3) | | |
| W21 | Germany (DE) | DUS (DUSSELDORF) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Spain (ES) | EAS (SAN SEBASTIÁN) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | United Kingdom (GB) | EDI (EDINBURGH) | Schedules Facilitated (Level 2) | | |
| W21 | Greece (GR) | EFL (KEFALLINIA) | Data collection (Level 1) | | |
| W21 | Netherlands (NL) | EIN (EINDHOVEN AIRPORT) | Coordinated (Level 3) | 2021/04/19 | 2021/05/28 |
| W21 | United Kingdom (GB) | EMA (EAST MIDLANDS) | Data collection (Level 1) | | |
| W21 | Germany (DE) | ERF (ERFURT) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Turkey (TR) | ESB (ANKARA / ESENBOGA) | Schedules Facilitated (Level 2) | | 2021/06/03 |
| W21 | Norway (NO) | EVE (EVENES) | Schedules Facilitated (Level 2) | | |
| W21 | Faroe Islands (FO) | FAE (VAGAR) | Data collection (Level 1) | 2021/04/13 | 2021/06/01 |
| W21 | Portugal (PT) | FAO (FARO INTL) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/06/03 |
| W21 | Italy (IT) | FCO (ROME Fiumicino - Leonardo da Vinci) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Italy (IT) | FLR (FIRENZE - Peretola) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Germany (DE) | FMO (MUENSTER-OSNABRUECK) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Portugal (PT) | FNC (MADEIRA) | Coordinated (Level 3) | 2021/04/16 | 2021/06/03 |
| W21 | Germany (DE) | FRA (FRANKFURT) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | France (FR) | FSC (AEROPORT FIGARI SUD CORSE ) | No specific status | 2021/04/16 | 2021/06/03 |
| W21 | Spain (ES) | FUE (FUERTEVENTURA) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | United Kingdom (GB) | GLA (GLASGOW) | Schedules Facilitated (Level 2) | | |
| W21 | France (FR) | GNB (GRENOBLE ISERE ) | Data collection (Level 1) | 2021/04/16 | 2021/06/03 |
| W21 | Italy (IT) | GOA (GENOVA - Cristoforo Colombo) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Greenland (GL) | GOH (NUUK ) | Coordinated (Level 3) | 2021/04/13 | 2021/06/01 |
| W21 | Sweden (SE) | GOT (GÖTEBORG-LANDVETTER) | Coordinated (Level 3) | 2021/04/15 | 2021/05/25 |
| W21 | Greece (GR) | GPA (PATRAS-ARAXOS) | Data collection (Level 1) | | |
| W21 | Spain (ES) | GRO (GIRONA-COSTA BRAVA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Spain (ES) | GRX (FEDERICO GARCÍA LORCA GRANADA-JAÉN) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Austria (AT) | GRZ (GRAZ) | Schedules Facilitated (Level 2) | | 2021/06/02 |
| W21 | Switzerland (CH) | GVA (GENEVA) | Coordinated (Level 3) | 2021/04/15 | 2021/06/03 |
| W21 | Germany (DE) | HAJ (HANNOVER) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Germany (DE) | HAM (HAMBURG) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Norway (NO) | HAU (HAUGESUND KARMOY) | Schedules Facilitated (Level 2) | | |
| W21 | Finland (FI) | HEL (HELSINKI-VANTAA) | Coordinated (Level 3) | 2021/04/16 | 2021/06/01 |
| W21 | Greece (GR) | HER (HERAKLION) | Data collection (Level 1) | | |
| W21 | Spain (ES) | IBZ (IBIZA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Austria (AT) | INN (INNSBRUCK) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Greece (GR) | IOA (IOANNINA) | Data collection (Level 1) | | |
| W21 | Turkey (TR) | IST (ISTANBUL/ISTANBUL NEW AIRPORT) | Coordinated (Level 3) | | 2021/06/03 |
| W21 | Greenland (GL) | JAV (ILULISSAT ) | Coordinated (Level 3) | 2021/04/13 | 2021/06/01 |
| W21 | United Kingdom (GB) | JER (JERSEY) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JIK (IKARIA) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JKH (CHIOS) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JMK (MYKONOS) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JNX (NAXOS) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JSH (SITIA) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JSI (SKIATHOS) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JSY (SYROS) | Data collection (Level 1) | | |
| W21 | Greece (GR) | JTR (THIRA) | Data collection (Level 1) | | |
| W21 | Ukraine (UA) | KBP (KIEV - BORYSPIL INTL) | Coordinated (Level 3) | | |
| W21 | Iceland (IS) | KEF (KEFLAVIK INTERNATIONAL ) | Coordinated (Level 3) | 2021/04/13 | 2021/06/01 |
| W21 | Greece (GR) | KGS (KOS) | Data collection (Level 1) | | |
| W21 | Greece (GR) | KIT (KITHIRA) | Data collection (Level 1) | | |
| W21 | Norway (NO) | KKN (KIRKENES HØYBUKTMOEN) | Schedules Facilitated (Level 2) | | |
| W21 | Austria (AT) | KLU (KLAGENFURT) | Schedules Facilitated (Level 2) | | 2021/06/02 |
| W21 | Greece (GR) | KLX (KALAMATA) | Data collection (Level 1) | | |
| W21 | Poland (PL) | KRK (Kraków John Paul II International Airport) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Sweden (SE) | KRN (KIRUNA) | Schedules Facilitated (Level 2) | 2021/04/15 | 2021/05/28 |
| W21 | Norway (NO) | KRS (KRISTIANSAND KJEVIK) | Schedules Facilitated (Level 2) | | |
| W21 | Greece (GR) | KSO (KASTORIA) | Data collection (Level 1) | | |
| W21 | Norway (NO) | KSU (KVERNBERGET) | Schedules Facilitated (Level 2) | | |
| W21 | Greece (GR) | KVA (KAVALA) | Data collection (Level 1) | | |
| W21 | United Kingdom (GB) | LBA (LEEDS/BRADFORD) | Schedules Facilitated (Level 2) | | |
| W21 | France (FR) | LBG (LE BOURGET) | Coordinated (Level 3) | | |
| W21 | Cyprus (CY) | LCA (LARNACA) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/05/31 |
| W21 | Spain (ES) | LCG (A CORUÑA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | United Kingdom (GB) | LCY (LONDON CITY) | Coordinated (Level 3) | 2021/03/31 | |
| W21 | Russia (RU) | LED (ST. PETERSBURG - PULKOVO) | Schedules Facilitated (Level 2) | | |
| W21 | Spain (ES) | LEI (ALMERÍA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Germany (DE) | LEJ (LEIPZIG) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | United Kingdom (GB) | LGW (LONDON GATWICK) | Coordinated (Level 3) | 2021/04/14 | |
| W21 | United Kingdom (GB) | LHR (LONDON HEATHROW) | Coordinated (Level 3) | 2021/04/08 | |
| W21 | Italy (IT) | LIN (MILANO Linate - Forlanini) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Portugal (PT) | LIS (LISBON) | Coordinated (Level 3) | 2021/04/16 | 2021/06/03 |
| W21 | Slovenia (SI) | LJU (LJUBLJANA) | Schedules Facilitated (Level 2) | | |
| W21 | Sweden (SE) | LLA (LULEÅ AIRPORT) | Data collection (Level 1) | 2021/04/15 | 2021/05/25 |
| W21 | Italy (IT) | LMP (LAMPEDUSA - Isola di Lampedusa) | No specific status | 2021/04/19 | 2021/06/03 |
| W21 | Austria (AT) | LNZ (LINZ) | Schedules Facilitated (Level 2) | | 2021/06/02 |
| W21 | Spain (ES) | LPA (GRAN CANARIA) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | United Kingdom (GB) | LPL (LIVERPOOL) | Schedules Facilitated (Level 2) | | |
| W21 | United Kingdom (GB) | LTN (LONDON LUTON) | Coordinated (Level 3) | 2021/04/19 | |
| W21 | Luxembourg (LU) | LUX (LUXEMBOURG) | Schedules Facilitated (Level 2) | | |
| W21 | Greece (GR) | LXS (LEMNOS) | Data collection (Level 1) | | |
| W21 | Norway (NO) | LYR (SVALBARD AIRPORT) | Coordinated (Level 3) | 2021/04/16 | |
| W21 | France (FR) | LYS (LYON SAINT-EXUPERY) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/06/03 |
| W21 | Spain (ES) | MAD (MADRID-BARAJAS) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Spain (ES) | MAH (MENORCA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | United Kingdom (GB) | MAN (MANCHESTER) | Coordinated (Level 3) | 2021/04/15 | |
| W21 | Greece (GR) | MJT (MYTILENE) | Data collection (Level 1) | | |
| W21 | Spain (ES) | MJV (MURCIA-SAN JAVIER) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Malta (MT) | MLA (MALTA INTERNATIONAL AIRPORT) | Schedules Facilitated (Level 2) | | |
| W21 | France (FR) | MLH (BASLE MULHOUSE) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/06/03 |
| W21 | Spain (ES) | MLN (MELILLA) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Greece (GR) | MLO (MILOS) | Data collection (Level 1) | | |
| W21 | United Kingdom (GB) | MME (DURHAM TEES VALLEY) | Data collection (Level 1) | | |
| W21 | Sweden (SE) | MMX (MALMÖ AIRPORT) | Data collection (Level 1) | 2021/04/15 | 2021/05/25 |
| W21 | Norway (NO) | MOL (ARO) | Schedules Facilitated (Level 2) | | |
| W21 | France (FR) | MRS (MARSEILLE) | Coordinated (Level 3) | | |
| W21 | Germany (DE) | MUC (MUNICH) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Italy (IT) | MXP (MILANO Malpensa ) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Italy (IT) | NAP (NAPOLI - Capodichino) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | France (FR) | NCE (NICE COTE D'AZUR) | Coordinated (Level 3) | 2021/04/16 | 2021/06/03 |
| W21 | United Kingdom (GB) | NCL (NEWCASTLE INTL) | Schedules Facilitated (Level 2) | | |
| W21 | France (FR) | NCY (ANNECY MEYTHET) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/06/03 |
| W21 | France (FR) | NTE (NANTES ATLANTIQUE) | Coordinated (Level 3) | 2021/04/16 | 2021/06/03 |
| W21 | Germany (DE) | NUE (NUERNBERG) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Spain (ES) | ODB (CÓRDOBA) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Denmark (DK) | ODE (Odense/Hans Christian Andersen Airport) | Data collection (Level 1) | 2021/04/13 | 2021/06/01 |
| W21 | Italy (IT) | OLB (OLBIA - Costa Smeralda) | No specific status | 2021/04/19 | 2021/06/03 |
| W21 | Portugal (PT) | OPO (OPORTO) | Coordinated (Level 3) | 2021/04/16 | 2021/06/03 |
| W21 | Ireland (IE) | ORK (CORK) | Data collection (Level 1) | | |
| W21 | France (FR) | ORY (PARIS ORLY) | Coordinated (Level 3) | 2021/04/16 | 2021/06/03 |
| W21 | Sweden (SE) | OSD (ÅRE ÖSTERSUND AIRPORT) | Schedules Facilitated (Level 2) | 2021/04/15 | 2021/06/01 |
| W21 | Norway (NO) | OSL (OSLO GARDERMOEN) | Coordinated (Level 3) | 2021/04/16 | |
| W21 | Spain (ES) | OVD (ASTURIAS) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Greece (GR) | PAS (PAROS) | Data collection (Level 1) | | |
| W21 | Portugal (PT) | PDL (PONTA DELGADA) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/06/03 |
| W21 | Cyprus (CY) | PFO (PAPHOS) | Schedules Facilitated (Level 2) | 2021/04/16 | 2021/05/31 |
| W21 | Spain (ES) | PMI (PALMA DE MALLORCA) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Italy (IT) | PMO (PALERMO - Falcone Borsellino) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Spain (ES) | PNA (PAMPLONA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Italy (IT) | PNL (PANTELLERIA - Isola di Pantelleria) | No specific status | 2021/04/19 | 2021/06/03 |
| W21 | Poland (PL) | POZ (POZNAN) | Data collection (Level 1) | | |
| W21 | Czech Republic (CZ) | PRG (PRAGUE) | Coordinated (Level 3) | 2021/04/19 | 2021/05/27 |
| W21 | Kosovo (KV) | PRN (PRISTINA) | Schedules Facilitated (Level 2) | | |
| W21 | Italy (IT) | PSA (PISA - Galileo Galilei) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/03 |
| W21 | Greece (GR) | PVK (PREVEZA-LEFKAS) | Data collection (Level 1) | | |
| W21 | Spain (ES) | QSA (SABADELL) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Spain (ES) | REU (REUS) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Greece (GR) | RHO (RHODES) | Data collection (Level 1) | | |
| W21 | Latvia (LB) | RIX (RIGA INTL) | Data collection (Level 1) | | |
| W21 | Denmark (DK) | RKE (COPENHAGEN AIRPORT - ROSKILDE) | Data collection (Level 1) | 2021/04/13 | 2021/06/01 |
| W21 | Italy (IT) | RMI (RIMINI - Federico Fellini) | No specific status | 2021/04/19 | 2021/06/03 |
| W21 | Sweden (SE) | RNB (RONNEBY AIRPORT) | Schedules Facilitated (Level 2) | 2021/04/15 | 2021/06/01 |
| W21 | France (FR) | RNS (RENNES BRETAGNE ) | Data collection (Level 1) | 2021/04/16 | 2021/06/03 |
| W21 | Netherlands (NL) | RTM (ROTTERDAM THE HAGUE AIRPORT) | Coordinated (Level 3) | 2021/04/19 | 2021/05/28 |
| W21 | Turkey (TR) | SAW (ISTANBUL - SABIHA GOKCEN) | Coordinated (Level 3) | | 2021/06/03 |
| W21 | Germany (DE) | SCN (SAARBRUECKEN) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/02 |
| W21 | Spain (ES) | SCQ (SANTIAGO) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Spain (ES) | SDR (SANTANDER) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Greenland (GL) | SFJ (KANGERLUSSUAQ) | Coordinated (Level 3) | 2021/04/13 | 2021/06/01 |
| W21 | Sweden (SE) | SFT (SKELLEFTEA) | Data collection (Level 1) | 2021/04/15 | |
| W21 | Denmark (DK) | SGD (SONDERBORG) | Data collection (Level 1) | 2021/04/13 | 2021/06/01 |
| W21 | Greece (GR) | SKG (THESSALONIKI-MACEDONIA) | Data collection (Level 1) | | |
| W21 | Republic of North Macedonia (MK) | SKP (SKOPJE) | Schedules Facilitated (Level 2) | | |
| W21 | Greece (GR) | SKU (SKIROS) | Data collection (Level 1) | | |
| W21 | Spain (ES) | SLM (SALAMANCA) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Greece (GR) | SMI (SAMOS) | Data collection (Level 1) | | |
| W21 | France (FR) | SNR (SAINT-NAZAIRE MONTOIR) | Data collection (Level 1) | | |
| W21 | Bulgaria (BG) | SOF (SOFIA) | Schedules Facilitated (Level 2) | | 2021/06/03 |
| W21 | United Kingdom (GB) | SOU (SOUTHAMPTON) | Schedules Facilitated (Level 2) | | |
| W21 | Spain (ES) | SPC (LA PALMA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Croatia (HR) | SPU (SPLIT) | Data collection (Level 1) | | |
| W21 | United Kingdom (GB) | STN (LONDON STANSTED) | Coordinated (Level 3) | 2021/03/18 | |
| W21 | Germany (DE) | STR (STUTTGART) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Italy (IT) | SUF (LAMEZIA ) | No specific status | 2021/04/19 | 2021/06/03 |
| W21 | Norway (NO) | SVG (STAVANGER SOLA) | Coordinated (Level 3) | 2021/04/16 | |
| W21 | Russia (RU) | SVO (MOSCOW - SHEREMETYEVO) | Coordinated (Level 3) | | |
| W21 | Spain (ES) | SVQ (SEVILLA) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Germany (DE) | SXF (BERLIN SCHOENEFELD) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Austria (AT) | SZG (SALZBURG W. A. MOZART) | Schedules Facilitated (Level 2) | | 2021/06/02 |
| W21 | Spain (ES) | TFN (TENERIFE NORTE) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Spain (ES) | TFS (TENERIFE SUR) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Estonia (EE) | TLL (TALLINN) | Data collection (Level 1) | 2021/04/13 | 2021/06/01 |
| W21 | France (FR) | TLS (TOULOUSE BLAGNAC) | Data collection (Level 1) | 2021/04/16 | 2021/06/03 |
| W21 | Norway (NO) | TOS (TROMSO LANGNES) | Coordinated (Level 3) | 2021/04/16 | |
| W21 | Norway (NO) | TRD (TRONDHEIM - VAERNES) | Coordinated (Level 3) | 2021/04/16 | |
| W21 | Norway (NO) | TRF (SANDEFJORD TORP ) | Schedules Facilitated (Level 2) | | |
| W21 | Italy (IT) | TRN (TORINO - Caselle) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Italy (IT) | TSF (TREVISO - Antonio Canova) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Germany (DE) | TXL (BERLIN TEGEL) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Sweden (SE) | UME (UMEÅ CITY AIRPORT) | Data collection (Level 1) | 2021/04/15 | 2021/06/02 |
| W21 | Sweden (SE) | VBY (VISBY AIRPORT) | Schedules Facilitated (Level 2) | 2021/04/15 | 2021/05/28 |
| W21 | Italy (IT) | VCE (VENICE - Marco Polo) | Coordinated (Level 3) | 2021/04/19 | 2021/06/03 |
| W21 | Spain (ES) | VDE (EL HIERRO) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Spain (ES) | VGO (VIGO) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Austria (AT) | VIE (VIENNA INTERNATIONAL) | Coordinated (Level 3) | 2021/04/19 | 2021/06/02 |
| W21 | Spain (ES) | VIT (VITORIA) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Russia (RU) | VKO (MOSCOW - VNUKOVO) | Coordinated (Level 3) | | |
| W21 | Spain (ES) | VLC (VALENCIA) | Coordinated (Level 3) | 2021/04/19 | 2021/06/01 |
| W21 | Spain (ES) | VLL (VALLADOLID) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Lithuania (LT) | VNO (VILNIUS INTL) | Schedules Facilitated (Level 2) | | |
| W21 | Greece (GR) | VOL (N.ANCHIALOS) | Data collection (Level 1) | | |
| W21 | Italy (IT) | VRN (VERONA - Villafranca) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/03 |
| W21 | Poland (PL) | WAW (WARSAW) | Coordinated (Level 3) | | |
| W21 | Spain (ES) | XRY (JEREZ) | Schedules Facilitated (Level 2) | 2021/04/19 | 2021/06/01 |
| W21 | Croatia (HR) | ZAG (ZAGREB) | | | |
| W21 | Spain (ES) | ZAZ (ZARAGOZA) | Data collection (Level 1) | 2021/04/19 | 2021/06/01 |
| W21 | Switzerland (CH) | ZRH (ZURICH) | Coordinated (Level 3) | 2021/04/14 | 2021/06/01 |
| W21 | Greece (GR) | ZTH (ZAKINTHOS) | Data collection (Level 1) | | |