Flight
UAL2129 17 Sep 2026
UAL2129, operated by United Airlines, on 17 Sep 2026: San Diego International Lindbergh Fld (KSAN) to Washington Dulles International (KIAD). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSAN SAN DIEGO INTERNATIONAL LINDBERGH FLD → KIAD WASHINGTON DULLES INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:00 PDT 16 Sep |
| Last seen | 05:22 EDT |
| Duration | 4h 21m |
| Aircraft | N37534 |
| Max altitude | 35,000 ft |
| Distance tracked | 1,953 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | +20 min |
| Worst delay | +43 min |
In the last 30 days UAL2129 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of +20 min and a worst delay of +43 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.