| Airline Name | Image | Swaps |
| United Arab Airlines-Egypt |
| 0 |
| United Eagle Airlines (UEAir.Com)-China |
| 0 |
| United Nations-U.S.A. |
| 0 |
| United States Military-USA: Design 1 |
| yes |
| United States Military-USA: Design 2 |
| 0 |
| United States Military-USA: Design 3 |
| yes |
| United States Military-USA: Design 4 |
| yes |
| UniversAir-Spain |
| 0 |
| UP Airways-India |
| 0 |
| Urumqi Air-China: Design 1 |
| 0 |
| Urumqi Air-China: Design 2 |
| 0 |
| US Air-USA: Design 1 |
| yes |
| US Air-USA: Design 2 |
| yes |
| US Air-USA: Design 3 |
| yes |
| US Air-USA: Design 4 |
| yes |
| US Airways Shuttle-U.S.A. |
| 0 |
| US Airways-USA: Design 1 |
| yes |
| US Airways-USA: Design 2 |
| yes |
| US Bangla Airlines-Bangladesh: Design 1 |
| 0 |
| US Bangla Airlines-Bangladesh: Design 2 |
| 0 |
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