| 1 | UCA | Champlain Enterprises, LLC. t/a CommutAir | IATA: C5, Callsign: Commutair, IATA Prefix: 841, Name changed from Commutair (US Airways Express) | USA | AVCODES |
| 2 | UCA | Commutair / US Airways Express | Callsign: Commutair, Name changed to Champlain Enterprises Inc. | USA | AVCODES |
| 3 | UCA | CommutAir | IATA: C5 | | ICAO1 |
| 4 | UCAG | UNITED CARGO LINES | | | SCAC4 |
| 5 | UCAL | UTI CRAF AGENT | | | SCAC4 |
| 6 | UCAR | UPSTATE AIR CARGO | | | SCAC4 |
| 7 | UCAT | USA CARTERET LLC | | | SCAC4 |
| 8 | UCAU | UCA CONTAINERS AG | | | PWRC |
| 9 | UCAU | UCA Containers AG | | | RSRV |
| 10 | UCAU | UNITED ARAB SHIPPING CO SAG | | | SCAC4 |
| 11 | UCAW | UNI-CHARTERING A/S | | | SCAC4 |
