| Reg | Type | Description | Cabins | First flight | Flights | Flown | |
|---|---|---|---|---|---|---|---|
| 1. | N425UA | A320 | Airbus A320 | F Y | 1998-05-011 May 1998 | 3 | 5,067 |
| 2. | N774UA | B772 | Boeing 777-200 | J Y | 1998-02-1313 Feb 1998 | 2 | 7,884 |
| 3. | N769UA | B772 | Boeing 777-200 | F | 1998-05-088 May 1998 | 2 | 4,173 |
| 4. | N391AA | B763 | Boeing 767-300 | F | 1998-01-033 Jan 1998 | 1 | 3,815 |
| 5. | N260AE | AT72 | Aerospatiale/Alenia ATR 72 | Y | 1998-01-033 Jan 1998 | 1 | 84 |
| 6. | N562UA | B752 | Boeing 757-200 | F | 1998-01-1717 Jan 1998 | 1 | 1,689 |
| 7. | N574UA | B752 | Boeing 757-200 | F | 1998-01-3030 Jan 1998 | 1 | 1,689 |
| 8. | XA-MEI | B722 | Boeing 727-200 | Y | 1998-02-011 Feb 1998 | 1 | 1,689 |
| 9. | N608UA | B762 | Boeing 767-200ER | F | 1998-03-1414 Mar 1998 | 1 | 2,470 |
| 10. | N688UA | B752 | Boeing 757-200 | F | 1998-03-1414 Mar 1998 | 1 | 731 |
| 11. | G-BOAE | CONC | BAC Concorde 1-102 | R | 1998-04-099 Apr 1998 | 1 | 3,442 |
| 12. | N424UA | A320 | Airbus A320 | F | 1998-05-033 May 1998 | 1 | 1,689 |
| 13. | G-BVZE | B735 | Boeing 737-500 | Y | 1998-05-099 May 1998 | 1 | 173 |
| 14. | G-BVKC | B735 | Boeing 737-500 | Y | 1998-05-1010 May 1998 | 1 | 173 |
| 15. | N7257U | B722 | Boeing 727-200 | F | 1998-05-1010 May 1998 | 1 | 717 |
| 16. | N407UA | A320 | Airbus A320 | F | 1998-06-055 Jun 1998 | 1 | 1,689 |
| 17. | N638AA | B752 | Boeing 757-200 | F | 1998-06-077 Jun 1998 | 1 | 1,689 |
| 18. | N176UA | B744 | Boeing 747-400ER | F | 1998-07-022 Jul 1998 | 1 | 6,260 |
| 19. | N775UA | B772 | Boeing 777-200 | Y | 1998-07-1010 Jul 1998 | 1 | 3,942 |
| 20. | N663UA | B763 | Boeing 767-300ER | J | 1998-07-1212 Jul 1998 | 1 | 3,942 |
| 21. | N403UA | A320 | Airbus A320 | F | 1998-07-2424 Jul 1998 | 1 | 1,689 |
| 22. | N778UA | B772 | Boeing 777-200 | Y | 1998-08-2121 Aug 1998 | 1 | 3,942 |
| 23. | N803UA | A319 | Airbus A319 | F | 1998-09-2525 Sep 1998 | 1 | 1,689 |
| 24. | N439UA | A320 | Airbus A320 | Y | 1998-09-2626 Sep 1998 | 1 | 1,689 |
| 25. | N431UA | A320 | Airbus A320 | F | 1998-10-1616 Oct 1998 | 1 | 1,626 |
| 26. | XA-JEB | DC93 | Douglas DC-9-30 | Y | 1998-10-1818 Oct 1998 | 1 | 190 |
| 27. | XA-SHJ | F100 | Fokker 100 | Y | 1998-10-2323 Oct 1998 | 1 | 190 |