| 0B | Blue Air | Baggage | WebCheckIn | |
| 1T | Bulgarian Air Charter | Baggage | ||
| 2B | Ak Bars Aero | Baggage | ||
| 2C | SNCF | Baggage | ||
| 2F | Frontier Flying Service | Baggage | WebCheckIn | |
| 2H | Thalys | Baggage | ||
| 2K | Aerogal | Baggage | ||
| 2L | Helvetic Airways | Baggage | WebCheckIn | |
| 2M | Moldavian Airlines | Baggage | ||
| 2N | NextJet | Baggage | WebCheckIn | |
| 2P | PAL Express | Baggage | WebCheckIn | |
| 2R | VIA Rail Canada | Baggage | ||
| 2U | Sun d'Or | Baggage | WebCheckIn | |
| 3H | Air Inuit | Baggage | WebCheckIn | |
| 3K | Jetstar Asia | Baggage | WebCheckIn | |
| 3L | InterSky | Baggage | WebCheckIn | |
| 3O | airarabia Maroc | Baggage | WebCheckIn | |
| 3P | Tiara Air | WebCheckIn | ||
| 3S | Air Antilles Express | WebCheckIn | ||
| 3W | Malawian Airlines | Baggage | ||
| 4A | Air Kiribati | Baggage | ||
| 4C | LAN Colombia | Baggage | WebCheckIn | |
| 4J | Somon Air | Baggage | ||
| 4M | LAN Argentina | Baggage | WebCheckIn | |
| 4N | Air North | Baggage | ||
| 4Q | Safi Airways | Baggage | ||
| 4U | Germanwings | Baggage | WebCheckIn | |
| 4Z | Airlink | Baggage | WebCheckIn | |
| 5C | Nature Air | Baggage | ||
| 5J | Cebu Pacific Air | Baggage | WebCheckIn | |
| 5N | Nordavia | Baggage | WebCheckIn | |
| 5Q | BQB Líneas Aéreas | WebCheckIn | ||
| 5T | Canadian North | Baggage | WebCheckIn | |
| 5U | Lineas Aereas del Estado | Baggage | ||
| 6E | IndiGo | Baggage | WebCheckIn | |
| 6H | Israir | Baggage | ||
| 6I | Alsie Express | Baggage | ||
| 6J | Jubba Airways | Baggage | ||
| 6K | Asian Spirit | Baggage | WebCheckIn | |
| 6N | Al-Naser Airlines | Baggage | ||
| 6Y | SmartLynx Airlines | Baggage | ||
| 7D | Donbassaero | Baggage | ||
| 7E | Sylt Air | Baggage | ||
| 7F | First Air | Baggage | WebCheckIn | |
| 7H | Era Aviation | Baggage | WebCheckIn | |
| 7I | Insel Air | Baggage | WebCheckIn | |
| 7L | Aerocaribbean | Baggage | ||
| 7M | MAYAir | Baggage | ||
| 7P | Air Panama | Baggage | ||
| 7V | Federal Air | Baggage | ||
| 8E | Bering Air | Baggage | ||
| 8J | Jet4You | Baggage | ||
| 8M | Myanmar Airways International | Baggage | ||
| 8O | West Coast Air | Baggage | ||
| 8P | Pacific Coastal Airlines | Baggage | ||
| 8Q | Onur Air | Baggage | WebCheckIn | |
| 8U | Afriqiyah Airways | Baggage | ||
| 8V | Wright Air Service | Baggage | ||
| 9C | Spring Airlines | Baggage | WebCheckIn | |
| 9F | EuroStar | Baggage | ||
| 9K | Cape Air | Baggage | ||
| 9M | Central Mountain Air | Baggage | ||
| 9N | Tropic Air | Baggage | ||
| 9T | Transwest Air | Baggage | ||
| 9U | Air Moldova | Baggage | ||
| 9W | Jet Airways | Baggage | WebCheckIn | |
| 9Y | Fly Georgia | Baggage | ||
| A3 | Aegean Airlines | Baggage | WebCheckIn | |
| A4 | aerocon | Baggage | ||
| A5 | HOP ! | Baggage | WebCheckIn | |
| A9 | Georgian Airways | Baggage | ||
| AA | American Airlines | Baggage | WebCheckIn | |
| AB | airberlin | Baggage | WebCheckIn | |
| AC | Air Canada | Baggage | WebCheckIn | |
| AE | Mandarin Airlines | Baggage | WebCheckIn | |
| AF | Air France | Baggage | WebCheckIn | |
| AH | Air Algerie | Baggage | WebCheckIn | |
| AI | Air India | Baggage | WebCheckIn | |
| AJ | Aero | WebCheckIn | ||
| AK | AirAsia | Baggage | WebCheckIn | |
| AM | Aeroméxico | Baggage | WebCheckIn | |
| AP | Air One | Baggage | ||
| AR | Aerolíneas Argentinas | Baggage | WebCheckIn | |
| AS | Alaska Airlines | Baggage | WebCheckIn | |
| AT | Royal Air Maroc | Baggage | WebCheckIn | |
| AV | Avianca | WebCheckIn | ||
| AY | Finnair | Baggage | WebCheckIn | |
| AZ | Alitalia | Baggage | WebCheckIn | |
| B2 | Belavia | Baggage | WebCheckIn | |
| B5 | Fly SAX | Baggage | ||
| B6 | JetBlue Airways | Baggage | WebCheckIn | |
| B9 | Iran Air Tours | Baggage | ||
| BA | British Airways | Baggage | WebCheckIn | |
| BB | Seaborn Airlines | Baggage | ||
| BC | Skymark Airlines | Baggage | ||
| BE | TUI Airways | Baggage | ||
| BG | Biman Bangladesh Airlines | Baggage | ||
| BH | Hawkair | Baggage | WebCheckIn | |
| BI | Royal Brunei | Baggage | WebCheckIn | |
| BJ | Nouvelair | Baggage | ||
| BL | Jetstar Pacific | Baggage | WebCheckIn | |
| BM | bmi regional | Baggage | WebCheckIn | |
| BP | Air Botswana | Baggage | ||
| BR | Eva Air | Baggage | WebCheckIn | |
| BT | airBaltic | Baggage | WebCheckIn | |
| BV | Blue Panorama Airlines | Baggage | WebCheckIn | |
| BW | Caribbean Airlines | Baggage | WebCheckIn | |
| BX | Air Busan | Baggage | ||
| BY | Thomson Airways | Baggage | ||
| C6 | CanJet | Baggage | WebCheckIn | |
| CA | Air China | Baggage | WebCheckIn | |
| CI | China Airlines | Baggage | WebCheckIn | |
| CM | Copa Airlines | Baggage | WebCheckIn | |
| CN | Grand China Air | Baggage | WebCheckIn | |
| CT | Alitalia CityLiner | Baggage | WebCheckIn | |
| CU | Cubana | Baggage | ||
| CV | Air Chathams | Baggage | ||
| CX | Cathay Pacific | Baggage | WebCheckIn | |
| CZ | China Southern Airlines | Baggage | WebCheckIn | |
| D3 | Daallo Airlines | Baggage | ||
| D7 | AirAsia X | Baggage | WebCheckIn | |
| D9 | Donavia | Baggage | ||
| DC | Golden Air | WebCheckIn | ||
| DD | Nok Air | Baggage | WebCheckIn | |
| DE | Condor | Baggage | WebCheckIn | |
| DL | Delta Air Lines | Baggage | WebCheckIn | |
| DN | Senegal Airlines | Baggage | ||
| DP | First Choice | Baggage | ||
| DT | TAAG Angola Airways | Baggage | WebCheckIn | |
| DU | Norwegian Long Haul | Baggage | WebCheckIn | |
| DX | Danish Air Transport | Baggage | WebCheckIn | |
| DY | Norwegian | Baggage | ||
| E5 | airarabia Egypt | Baggage | WebCheckIn | |
| EB | WAMOS Air | Baggage | ||
| EC | Open Skies | Baggage | WebCheckIn | |
| EF | Eznis Airways | Baggage | ||
| EI | Aer Lingus | Baggage | WebCheckIn | |
| EK | Emirates | Baggage | WebCheckIn | |
| EN | Air Dolomiti | Baggage | WebCheckIn | |
| EQ | tame | Baggage | ||
| ET | Ethiopian Airlines | Baggage | WebCheckIn | |
| EW | Eurowings | Baggage | WebCheckIn | |
| EY | Etihad Airways | Baggage | WebCheckIn | |
| EZ | Sun Air of Scandinavia | Baggage | WebCheckIn | |
| F7 | Etihad Regional | Baggage | WebCheckIn | |
| F9 | Frontier Airlines | Baggage | WebCheckIn | |
| FB | Bulgaria Air | Baggage | WebCheckIn | |
| FC | Finncomm | Baggage | WebCheckIn | |
| FD | Thai AirAsia | WebCheckIn | ||
| FI | Icelandair | Baggage | WebCheckIn | |
| FJ | Fiji Airways | Baggage | ||
| FL | AirTran Airways | Baggage | WebCheckIn | |
| FQ | Brindabella Airlines | Baggage | ||
| FR | Ryanair | Baggage | WebCheckIn | |
| FV | Rossiya Airlines | Baggage | WebCheckIn | |
| FY | Firefly | Baggage | WebCheckIn | |
| FZ | flydubai | Baggage | WebCheckIn | |
| G3 | GOLTransportes Aéreos | Baggage | WebCheckIn | |
| G4 | Allegiant Air | Baggage | WebCheckIn | |
| G8 | GoAir | Baggage | WebCheckIn | |
| G9 | airarabia | Baggage | WebCheckIn | |
| GA | Garuda Indonesia | Baggage | WebCheckIn | |
| GF | Gulf Air | Baggage | WebCheckIn | |
| GH | Globus | Baggage | WebCheckIn | |
| GK | Jetstar Japan | Baggage | WebCheckIn | |
| GL | Air Greenland | Baggage | WebCheckIn | |
| GQ | Sky Express | Baggage | ||
| GR | Aurigny Air Services | Baggage | WebCheckIn | |
| GU | Aviateca S.A. | Baggage | ||
| GZ | Air Rarotonga | Baggage | ||
| H2 | Sky Airline | Baggage | WebCheckIn | |
| HA | Hawaiian Airlines | Baggage | WebCheckIn | |
| HE | LGW | Baggage | WebCheckIn | |
| HG | NIKI | Baggage | WebCheckIn | |
| HI | Papillon Air | Baggage | ||
| HK | Hamburg Airways | Baggage | ||
| HM | Air Seychelles | Baggage | ||
| HQ | Thomas Cook Airlines Belgium | Baggage | WebCheckIn | |
| HS | Svenska Direktflyg AB | Baggage | ||
| HU | Hainan Airlines | Baggage | WebCheckIn | |
| HV | Transavia | Baggage | WebCheckIn | |
| HX | Hong Kong Airlines | Baggage | WebCheckIn | |
| HY | Uzbekistan Airways | Baggage | ||
| I2 | Iberia Express | Baggage | WebCheckIn | |
| I5 | AirAsia India | Baggage | WebCheckIn | |
| I9 | Air Italy | Baggage | WebCheckIn | |
| IA | Iraqi Airways | Baggage | ||
| IB | Iberia | Baggage | WebCheckIn | |
| IE | Solomon Airlines | Baggage | ||
| IG | Meridiana fly | Baggage | WebCheckIn | |
| IT | Kingfisher Airlines | Baggage | WebCheckIn | |
| IY | Yemenia | Baggage | ||
| IZ | Arkia Israel Airlines | Baggage | ||
| J2 | Azerbaijan Airlines | Baggage | WebCheckIn | |
| J8 | Berjaya Air | Baggage | ||
| J9 | Jazeera Airways | Baggage | WebCheckIn | |
| JA | B&H Airlines | Baggage | ||
| JB | Helijet Air | Baggage | WebCheckIn | |
| JE | Mango | Baggage | WebCheckIn | |
| JJ | TAM Linhas Aéreas | Baggage | WebCheckIn | |
| JL | JAL Japan Airlines | Baggage | WebCheckIn | |
| JM | Air Jamaica | Baggage | WebCheckIn | |
| JP | Adria Airways | Baggage | WebCheckIn | |
| JQ | Jetstar Airways | Baggage | WebCheckIn | |
| JT | Lion Air | Baggage | WebCheckIn | |
| JU | Air Serbia | Baggage | ||
| JV | Bearskin Airlines | Baggage | ||
| JW | Vanilla Air | Baggage | ||
| JY | InterCaribbean Airways | Baggage | ||
| K6 | Cambodia Angkor Air | Baggage | ||
| KA | Dragonair | Baggage | WebCheckIn | |
| KB | Drukair | Baggage | ||
| KC | Air Astana | Baggage | WebCheckIn | |
| KE | Korean Air | Baggage | WebCheckIn | |
| KF | Blue1 | Baggage | WebCheckIn | |
| KK | Atlasjet | Baggage | WebCheckIn | |
| KL | KLM Royal Dutch Airlines | Baggage | WebCheckIn | |
| KM | Air Malta | Baggage | WebCheckIn | |
| KQ | Kenia Airways | Baggage | WebCheckIn | |
| KR | Air Bishkek | Baggage | ||
| KS | Peninsula Airways | Baggage | WebCheckIn | |
| KU | Kuwait Airways | Baggage | WebCheckIn | |
| KX | Cayman Airways | Baggage | WebCheckIn | |
| LA | LAN Airlines | Baggage | WebCheckIn | |
| LC | ECAir | Baggage | ||
| LG | Luxair | Baggage | WebCheckIn | |
| LH | Lufthansa | Baggage | WebCheckIn | |
| LI | LIAT | Baggage | ||
| LO | LOT Polish Airlines | Baggage | WebCheckIn | |
| LP | LAN Peru | Baggage | WebCheckIn | |
| LR | LACSA | Baggage | WebCheckIn | |
| LS | Jet2 | Baggage | WebCheckIn | |
| LU | Lan Express | Baggage | WebCheckIn | |
| LV | Albanian Airlines | WebCheckIn | ||
| LW | Pacific Wings | Baggage | ||
| LX | Swiss International Air Lines | Baggage | WebCheckIn | |
| LY | EL AL | Baggage | WebCheckIn | |
| LZ | belle air | Baggage | ||
| M0 | Aero Mongolia | Baggage | ||
| M3 | Air Norway | Baggage | ||
| M9 | Motor-Sich JSC | Baggage | ||
| ME | Middle East Airlines - Air Liban | Baggage | WebCheckIn | |
| MF | Xiamen Airlines | Baggage | ||
| MH | Malaysia Airlines | Baggage | WebCheckIn | |
| MI | Silk Air | Baggage | WebCheckIn | |
| MJ | Mihin Lanka | Baggage | ||
| MK | Air Mauritius | Baggage | WebCheckIn | |
| ML | Air Méditerranée | Baggage | ||
| MM | Peach Aviation | Baggage | ||
| MN | Kulula Air | Baggage | WebCheckIn | |
| MO | Calm Air International | Baggage | ||
| MQ | American Eagle | Baggage | ||
| MR | Hunnu Air | Baggage | ||
| MS | Egyptair | Baggage | WebCheckIn | |
| MT | Thomas Cook Airlines | Baggage | WebCheckIn | |
| MU | China Eastern | Baggage | ||
| MY | Maya Island Air | Baggage | ||
| NC | National Jet Systems | Baggage | ||
| NE | Nesma Airlines | Baggage | ||
| NF | Air Vanuatu | Baggage | WebCheckIn | |
| NG | Lauda Air | Baggage | WebCheckIn | |
| NH | All Nippon Airways | Baggage | WebCheckIn | |
| NK | Spirit Airlines | Baggage | WebCheckIn | |
| NL | Shaheen Air | Baggage | ||
| NN | Vim Airlines | Baggage | ||
| NT | Binter Canarias | Baggage | WebCheckIn | |
| NX | Air Macau | Baggage | WebCheckIn | |
| NY | Air Iceland | Baggage | ||
| NZ | Air New Zealand | Baggage | WebCheckIn | |
| O4 | Antrak Air | Baggage | ||
| O6 | Avianca Brazil | Baggage | WebCheckIn | |
| OA | Olympic Air | Baggage | WebCheckIn | |
| OB | Boliviana de Aviación | WebCheckIn | ||
| OD | Malindo Air | Baggage | WebCheckIn | |
| OG | Air Onix | Baggage | ||
| OJ | Overland Airways | Baggage | ||
| OK | Czech Airlines | Baggage | WebCheckIn | |
| OM | MIAT Mongolian Airlines | Baggage | ||
| ON | Our Airline | Baggage | ||
| OO | Skywest Air | Baggage | WebCheckIn | |
| OS | Austrian Airlines | Baggage | WebCheckIn | |
| OT | Aero Pelican | Baggage | ||
| OU | Croatia Airlines | Baggage | WebCheckIn | |
| OV | Estonian Air | Baggage | WebCheckIn | |
| OX | Orient Thai Airlines | Baggage | ||
| OY | andes Líneas Aéreas | Baggage | ||
| OZ | Asiana Airlines | Baggage | WebCheckIn | |
| P2 | AirKenya | Baggage | WebCheckIn | |
| P5 | Copa Airlines Colombia | Baggage | WebCheckIn | |
| P8 | Air Mekong | Baggage | ||
| P9 | Peruvian Airlines | WebCheckIn | ||
| PB | Provincial Airlines | Baggage | ||
| PC | Pegasus Airlines | Baggage | WebCheckIn | |
| PD | Porter Airlines | Baggage | WebCheckIn | |
| PF | Palestinian Airlines | Baggage | ||
| PG | Bangkok Airways | Baggage | WebCheckIn | |
| PH | Polynesian Airlines | Baggage | ||
| PK | Pakistan International Airlines | Baggage | WebCheckIn | |
| PQ | Philippines AirAsia | Baggage | WebCheckIn | |
| PR | Philippine Airlines | Baggage | ||
| PS | Ukraine International Airlines | Baggage | WebCheckIn | |
| PV | St Barth Commuter | Baggage | ||
| PW | Precision Air | Baggage | WebCheckIn | |
| PX | Air Niugini | Baggage | ||
| PY | Surinam Airways | Baggage | ||
| PZ | TAM Airlines | WebCheckIn | ||
| Q2 | Maldivian | Baggage | ||
| Q8 | Trans Air Congo | Baggage | ||
| QC | Camair Co | Baggage | ||
| QF | Qantas | Baggage | WebCheckIn | |
| QK | Air Canada Jazz | Baggage | ||
| Alliance Airline | Baggage | |||
| QR | Qatar Airways | Baggage | WebCheckIn | |
| QU | Utair Ukraine | Baggage | ||
| QV | Lao Airlines | Baggage | ||
| QX | Horizon Air | WebCheckIn | ||
| QZ | Indonesia AirAsia | Baggage | WebCheckIn | |
| R2 | Orenair | Baggage | WebCheckIn | |
| RA | Nepal Airlines | Baggage | ||
| RC | Atlantic Airways | Baggage | ||
| RD | Ryan Intl Airlines | Baggage | ||
| RE | Aer Arann | Baggage | WebCheckIn | |
| RJ | Royal Jordanian | Baggage | WebCheckIn | |
| RO | TAROM | Baggage | WebCheckIn | |
| RQ | Kam Air | Baggage | ||
| RT | RAK Airways | Baggage | WebCheckIn | |
| RV | Air Canada Rouge | Baggage | WebCheckIn | |
| RZ | Sansa Airlines | Baggage | ||
| S2 | JetKonnect | Baggage | WebCheckIn | |
| S4 | SATA International | Baggage | WebCheckIn | |
| S7 | S7 Airlines | Baggage | WebCheckIn | |
| SA | South African Airways | Baggage | WebCheckIn | |
| SB | Aircalin | Baggage | WebCheckIn | |
| SC | Shandong Airlines | WebCheckIn | ||
| SE | XL Airways France | Baggage | ||
| SG | SpiceJet | Baggage | WebCheckIn | |
| SI | Blue Islands | Baggage | WebCheckIn | |
| SJ | Sriwijaya Air | Baggage | ||
| SK | SAS Scandinavian Airlines | Baggage | WebCheckIn | |
| SN | Brussels Airlines | Baggage | WebCheckIn | |
| SO | Salsa d Haiti | Baggage | ||
| SP | SATA Air Açores | Baggage | WebCheckIn | |
| SQ | Singapore Airlines | Baggage | WebCheckIn | |
| ST | Germania | Baggage | ||
| SU | Aeroflot Russian Airlines | Baggage | WebCheckIn | |
| SV | Saudia | Baggage | WebCheckIn | |
| SW | Air Namibia | Baggage | WebCheckIn | |
| SX | SkyWork Airlines | Baggage | WebCheckIn | |
| SY | Sun Country Airlines | Baggage | WebCheckIn | |
| T3 | Eastern Airways | Baggage | ||
| T4 | Trip Linhas Aereas | Baggage | WebCheckIn | |
| TA | TACA | Baggage | WebCheckIn | |
| TB | Jetairfly | Baggage | WebCheckIn | |
| TF | Malmö Aviation | Baggage | WebCheckIn | |
| TG | Thai Airways | Baggage | WebCheckIn | |
| TK | Turkish Airlines | Baggage | WebCheckIn | |
| TL | airnorth | Baggage | ||
| TM | LAM Linhas Aéreas de Moçambique | Baggage | ||
| TN | Air Tahiti Nui | Baggage | ||
| TO | Transavia France | Baggage | WebCheckIn | |
| TP | TAP Portugal | Baggage | WebCheckIn | |
| TQ | Tandem Aero | Baggage | ||
| TR | Tiger Airways | Baggage | WebCheckIn | |
| TS | Air Transat | Baggage | WebCheckIn | |
| TU | Tunisair | Baggage | ||
| TX | Air Caraïbes | Baggage | WebCheckIn | |
| TZ | air-taxi europe | Baggage | ||
| TZ | Scoot | Baggage | ||
| U2 | easyJet | Baggage | WebCheckIn | |
| U3 | Airlink | Baggage | ||
| U5 | USA 3000 Airlines | Baggage | ||
| U6 | Ural Airlines | Baggage | WebCheckIn | |
| U8 | Armavia | Baggage | ||
| U9 | Tatarstan Air | Baggage | ||
| UA | United | Baggage | WebCheckIn | |
| UB | Myanma Airways | Baggage | ||
| UF | UM Air | Baggage | ||
| UL | SriLankan Airlines | Baggage | WebCheckIn | |
| UM | Air Zimbabwe | Baggage | ||
| UN | Transaero Airlines | Baggage | WebCheckIn | |
| UO | Hong Kong Express Airways | Baggage | WebCheckIn | |
| UP | Bahamasair | Baggage | ||
| US | US Airways | Baggage | WebCheckIn | |
| UT | UTair | Baggage | WebCheckIn | |
| UU | Air Austral | Baggage | WebCheckIn | |
| UX | Air Europa | Baggage | WebCheckIn | |
| V2 | Vision Airlines | Baggage | ||
| V3 | Carpatair | Baggage | WebCheckIn | |
| V4 | Vieques Air Link | Baggage | ||
| V7 | Volotea | Baggage | WebCheckIn | |
| VA | Virgin Australia | Baggage | WebCheckIn | |
| VB | VivaAerobus | Baggage | WebCheckIn | |
| VF | Valuair | Baggage | WebCheckIn | |
| VG | VLM Airlines | Baggage | WebCheckIn | |
| VJ | VietJet Air | Baggage | WebCheckIn | |
| VK | Air Nigeria | Baggage | WebCheckIn | |
| VN | Vietnam Airlines | Baggage | WebCheckIn | |
| VO | Tyrolean Airways | Baggage | WebCheckIn | |
| VR | TACV Cabo Verde Airlines | Baggage | ||
| VS | virgin atlantic | Baggage | WebCheckIn | |
| VT | Air Tahiti | Baggage | ||
| VW | Aeromar | Baggage | WebCheckIn | |
| VX | Virgin America | Baggage | WebCheckIn | |
| VY | Vueling | Baggage | WebCheckIn | |
| W3 | Arik Air | Baggage | ||
| W4 | LC Busre | Baggage | ||
| W5 | Mahan Air | Baggage | ||
| W6 | Wizz Air | Baggage | WebCheckIn | |
| W9 | Air Bagan | Baggage | ||
| WC | Islena Airlines | Baggage | ||
| WF | Widerøe | Baggage | WebCheckIn | |
| WG | Sunwing Airlines | Baggage | WebCheckIn | |
| WH | Webjet-Linhas Aereas | Baggage | WebCheckIn | |
| WK | Edelweiss Air | Baggage | WebCheckIn | |
| WM | Win Air | Baggage | ||
| WN | Southwest Airlines | Baggage | WebCheckIn | |
| WO | Air Southwest | Baggage | ||
| WP | Island Air | Baggage | WebCheckIn | |
| WS | Westjet Airlines | Baggage | WebCheckIn | |
| WU | Wizz Air Ukraine | Baggage | WebCheckIn | |
| WW | WOW air | Baggage | ||
| WX | CityJet | Baggage | WebCheckIn | |
| WY | Oman Air | Baggage | WebCheckIn | |
| X3 | TUIfly | Baggage | WebCheckIn | |
| X4 | Nas Air | Baggage | WebCheckIn | |
| XF | Vladivostok Avia | WebCheckIn | ||
| XG | SunExpress Deutschland | Baggage | WebCheckIn | |
| XJ | Thai AirAsia X | Baggage | WebCheckIn | |
| XK | Air Corsica | WebCheckIn | ||
| XL | LAN Ecuador | Baggage | WebCheckIn | |
| XQ | SunExpress | Baggage | WebCheckIn | |
| XR | Skywest Airlines | Baggage | WebCheckIn | |
| XT | Indonesia AirAsia Extra | Baggage | WebCheckIn | |
| XW | SkyExpress | WebCheckIn | ||
| XY | National Air Service | Baggage | WebCheckIn | |
| XZ | South African Express | Baggage | WebCheckIn | |
| Y4 | Volaris | Baggage | WebCheckIn | |
| YB | BoraJet | WebCheckIn | ||
| YM | Montenegro Airlines | Baggage | ||
| YN | Air Creebec | Baggage | ||
| Z2 | AirAsia Zest | Baggage | WebCheckIn | |
| Z5 | GMG Airlines | Baggage | ||
| Z6 | Dniproavia | Baggage | ||
| Z8 | Amaszonas | Baggage | WebCheckIn | |
| ZB | Monarch Airlines | Baggage | WebCheckIn | |
| ZE | Eastar Jet | Baggage | ||
| ZH | Shenzhen Airlines | Baggage | WebCheckIn | |
| ZI | Aigle Azur | Baggage | WebCheckIn | |
| ZK | Great Lakes Airlines | Baggage | ||
| ZL | Regional Express | Baggage | WebCheckIn | |
| ZW | Air Wisconsin | Baggage |