| 1 | U2 | UFS, Inc. | ICAO: UFS, Callsign: Feeder Flight, Founded in 1993. Ceased operations during 1999. | USA | AVCODES |
| 2 | U2 | Easyjet Airline Company Limited | ICAO: EZY, Callsign: Easy, IATA designator changed to U2. Designator U2* reinstated by IATA | GB | AVCODES |
| 3 | U2 | Easyjet Airline Company Limited | ICAO: EZY, Callsign: Easy, IATA designator changed from U2*. Designator U2* reinstated by IATA | GB | AVCODES |
| 4 | U2 | easyJet UK Limited | ICAO: EZY, Callsign: Easy, | GB | AVCODES |
