Flight

UAL2279 30 Dec 2025

UAL2279, operated by United Airlines, on 30 Dec 2025: San Francisco International (KSFO) to Seattle Tacoma International (KSEA), 4 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 29 Dec 2025All UAL2279 flights31 Dec 2025 →

Leg 1 of 4

PlaneTrack receiver network
RouteKSFO SAN FRANCISCO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne16:27 PST 29 Dec
Last seen18:16 PST 29 Dec
Duration1h 48m
AircraftN484UA
Max altitude34,025 ft
Distance tracked590 nm

Leg 2 of 4estimated

PlaneTrack receiver network
RouteKSFO SAN FRANCISCO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne19:44 PST 29 Dec
Last seen20:02 PST 29 Dec
Duration0h 17m
AircraftN484UA
Distance tracked590 nm

Leg 3 of 4

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne00:08 PST
Last seen09:04 EST
Duration5h 55m
AircraftN484UA
Max altitude21,000 ft
Distance tracked2,162 nm

Leg 4 of 4

PlaneTrack receiver network
RouteKBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne10:56 EST
Last seen14:08 PST
Duration6h 11m
AircraftN37527
Max altitude34,000 ft
Distance tracked2,344 nm

Punctuality, last 30 days

Flights13
On time2 (15%)
Average delay-71 min
Worst delay+69 min

In the last 30 days UAL2279 departed on time (within 15 minutes) on 2 of 13 flights (15%), with an average departure delay of -71 min and a worst delay of +69 min.

UAL2279 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.