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Airlines
| Airline Name | Country | IATA Code | ICAO | AWB Prefix |
|---|---|---|---|---|
| Welcome Air | Austria | 2W | WLC | |
| WebJet Linhas A?reas | Brazil | WH | WEB | |
| Wasaya Airways | Canada | WG | WSG | |
| West Wind Aviation (ExpressAir and Pronto Airways) | Canada | WEW | ||
| Western Express Air Lines | Canada | WES | ||
| Westjet Airlines | Canada | M3 | WJA | |
| Wilderness Airlines (1975) | Canada | 6W | WLD | |
| World Wide Air Charter Systems | Canada | CSW | ||
| Wuhan Airlines | China | WU | CWU | |
| West Caribbean Airways | Colombia | YH | WCW | |
| Westair Cargo Airlines | Cote D'Ivoire (Ivory Coast) | WSC | ||
| Walter Airlines | Germany | HE | LGW | |
| WDL Aviation | Germany | WDL | ||
| West Africa Airlines | Ghana | WCB | ||
| West Coast Airlines | Ghana | WCG | ||
| Wizz Air | Hungary | W6 | WZZ | |
| Wings Air | Indonesia | IW | WON | |
| Windjet | Italy | IV | JET | |
| Wataniya Airways | Kuwait | KW | WAN | |
| Weasua Air Transport | Liberia | WTC |