N157UA
Boeing 747-123
Register facts: FAA Aircraft Registry (Releasable Aircraft Database) (open data).
FlightFinder has no observed route profile for this registration. The documented safety events below are available independently of live flight tracking.
Scheduled US airline service
Reported in scheduled US passenger service from January 1995 to September 1999 — 1,303 flights. Last reported flight: September 8, 1999, United Airlines, SFO → HNL.
Not reported in scheduled US service since September 1999 (data through July 2026).
| Carrier | First | Last | Flights |
|---|---|---|---|
| United Airlines UA | January 1995 | September 1999 | 1,303 |
Source: BTS Reporting Carrier On-Time Performance (public domain; US reporting carriers, scheduled domestic flights).
Safety history
- May 2, 1988Accident
UNITED FLT 97 EXPERIENCED INDICATIONS OF UNEVEN FUEL FLOW FROM MAIN TANKS 2 AND 3 AT FL360 BEGINNING ABOUT 4- HOURS AFTER DEPARTURE ON AN 11-HOUR TRANSPACIFIC FLIGHT. THE FUEL SYSTEM HAD BEEN SET UP FOR ALL ENGINE FEED FROM THE NOS 2 AND 3 TANKS.
Transportation Safety Board of Canada records1 on file
Worst recorded outcome: no damage.
- March 6, 1992Incident
Pia 715 & ual 917 were at fl 350. Pia 715 passed 55n20w at 1458 and was estimating 56n30w at 1544. Ual 917 passed 55n20w at 1507 and was estimating 56n30w at 1552. The aircraft passed 20w with 9 minutes of the required 10 minutes separation. At 30w the aircraft would have had only 7 minutes of the required 10 minutes…
Source: TSB Aviation Safety Information System (ASIS) (open data).