Flight

UAL1277 2 May 2026

UAL1277, operated by United Airlines, on 2 May 2026: San Francisco International (KSFO) to Washington Dulles International (KIAD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 1 May 2026All UAL1277 flights3 May 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKSFO SAN FRANCISCO INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne06:39 PDT
Last seen14:28 EDT
Duration4h 48m
AircraftN445UA
Max altitude37,050 ft
Distance tracked2,096 nm

Leg 2 of 2

PlaneTrack receiver network
RouteKIAD WASHINGTON DULLES INTERNATIONAL → ?
StatusCompleted (receiver network)
First seen airborne17:19 EDT
Last seen23:50Z
Duration2h 30m
AircraftA12A82
Max altitude36,000 ft

Punctuality, last 30 days

Flights6
On time0 (0%)
Average delay+36 min
Worst delay+78 min

In the last 30 days UAL1277 departed on time (within 15 minutes) on 0 of 6 flights (0%), with an average departure delay of +36 min and a worst delay of +78 min.

UAL1277 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.