with: United Airlines (UA613, UA1897, UA269, UA2291, UA660, UA2097), EVA Airways (BR3020), Alaska Airlines (AS1232)
with: United Airlines (UA599, UA541, UA2133, UA519, UA2395, UA204), American Airlines (AA2465), Aer Lingus Irish Airlines (EI6298)
with: United Airlines (UA411, UA632, UA592, UA1186, UA1836, UA566, UA204), Alaska Airlines (AS1241)
with: United Airlines (UA597, UA432, UA1800, UA640), American Airlines (AA2775), SAS Scandinavian Airlines (SK8808), Austrian Airlines (OS7744), Aer Lingus Irish Airlines (EI6301)
with: Allegiant Air (G457, G475), Frontier Airlines (F92007), Spirit Airlines (NK505), Southwest Airlines (WN4477, WN495, WN543, WN758)
with: Westjet (WS6609, WS7581, WS6607, WS6611), Delta Air Lines (DL3438), Virgin Atlantic Airways (VS4176, VS4548), Air Canada (AC4837)
with: Westjet (WS6608, WS6606, WS7734), Delta Air Lines (DL3443, DL3485), Air Canada (AC4836), SAS Scandinavian Airlines (SK6800), United Airlines (UA3597)
with: Allegiant Air (G4105, G4121, G4252), Frontier Airlines (F92041, F92039), Southwest Airlines (WN100, WN142, WN701)
with: Allegiant Air (G444, G429), Southwest Airlines (WN2532, WN5601, WN2883, WN3879, WN5023), Frontier Airlines (F92047)
with: Allegiant Air (G43, G429, G4121, G431)
with: United Airlines (UA511, UA2117, UA6150, UA6183), South African Airways (SA7486), SAS Scandinavian Airlines (SK8795), Frontier Airlines (F91841), Brussels Airlines (SN8921)
with: United Airlines (UA495, UA6107, UA4995, UA6210), American Airlines (AA4462, AA4643), Air Canada (AC4972), Deutsche Lufthansa (LH9389)
with: Korean Air (KE6749), Jet Airways (India) (9W7962), Frontier Airlines (F92023), Allegiant Air (G41308, G41325), Delta Air Lines (DL358, DL546, DL1831)
with: United Airlines (UA495, UA6107, UA4995, UA6210), Air Canada (AC4972, AC3890, AC3896), Deutsche Lufthansa (LH9389)
with: United Airlines (UA6270, UA4902, UA4977), Deutsche Lufthansa (LH7558), Air Canada (AC3895, AC3891, AC4971), Brussels Airlines (SN8936)
with: Virgin Atlantic Airways (VS2229), Westjet (WS6937), Korean Air (KE7432), Delta Air Lines (DL1386, DL2020), Virgin Australia (VA6730), Allegiant Air (G4355), China Southern Airlines (CZ1162)
with: JetBlue Airways (B61749, B649, B61849, B62749), El Al Israel Airlines (LY8566), Emirates Airline (EK6023), Hawaiian Airlines (HA2183), TAP Air Portugal (TP4389)
with: Air Canada (AC4611, AC4633, AC4609), ANA All Nippon Airways (NH7122), Brussels Airlines (SN8973), United Airlines (UA6051, UA4840), Deutsche Lufthansa (LH8870)
with: Westjet (WS7655, WS7657), Virgin Atlantic Airways (VS3144, VS4200, VS4288), Delta Air Lines (DL5982, DL5971), Korean Air (KE3987)
with: United Airlines (UA255, UA6150, UA6028), South African Airways (SA7487), SAS Scandinavian Airlines (SK8796), Deutsche Lufthansa (LH7665, LH9007), Brussels Airlines (SN8928)
History
Allegiant Air is an American Airline, owned by Allegiant Travel Co. The carrier was established in 1997 as WestJet Express. After two trademark disputes with WestJet Air Center and WetJet Airlines, the owner adopted the name Allegiant Air in 1998 and the airline was given the go ahead for scheduled and charter operations to Canada, USA and Mexico. The first scheduled service began in 1999 between Las Vegas and Fresno. Allegiant flies to 55 destinations throughout the States focusing on smaller airports not served by larger airlines.