|
Uganda Airlines
|
QU |
Ukraine International Airlines
|
PS |
Uni Airways
|
B7 |
|
United Airlines
|
UA |
United Express / Great Lakes Airlines
|
ZK |
United Express/Air Wisconsin
|
ZW |
|
UPS – United Parcel Service
|
5X |
Ural Airlines – Uralskie Avialinii
|
U6 |
US Airways
|
US |
|
US Airways Express/Air Midwest
|
ZV |
US Airways Shuttle
|
TB |
USA Jet Airlines
|
U7 |
|
Uzbekistan Airways
|
HY |