Flight

UAL2129 8 Jan 2026

UAL2129, operated by United Airlines, on 8 Jan 2026: San Diego International Lindbergh Fld (KSAN) to Washington Dulles International (KIAD). Scheduled and actual times are local to each airport (hover for UTC).

← 7 Jan 2026All UAL2129 flights9 Jan 2026 →

Flight

PlaneTrack receiver network
RouteKSAN SAN DIEGO INTERNATIONAL LINDBERGH FLD → KIAD WASHINGTON DULLES INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne21:53 PST 7 Jan
Last seen05:20 EST
Duration4h 26m
AircraftN37516
Max altitude37,025 ft
Distance tracked1,953 nm

Punctuality, last 30 days

Flights6
On time5 (83%)
Average delay+15 min
Worst delay+26 min

In the last 30 days UAL2129 departed on time (within 15 minutes) on 5 of 6 flights (83%), with an average departure delay of +15 min and a worst delay of +26 min.

UAL2129 flight history Full history CSV API access

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.