Flight

UAL1257 30 Sep 2026

UAL1257, operated by United Airlines, on 30 Sep 2026: Miami International (KMIA) to San Francisco International (KSFO), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 29 Sep 2026All UAL1257 flights1 Oct 2026 →

Leg 1 of 2

FAA SWIM schedule
RouteKMIA MIAMI INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL
StatusCompleted, departed on time (+14 min)
Scheduled departure08:00 EDT
Actual departure08:14 EDT on time
Actual arrival10:34 PDT
Duration5h 20m
AircraftN27266 B38M
Max altitude38,000 ft
Distance tracked2,242 nm

Leg 2 of 2

FAA SWIM schedule
RouteKSFO SAN FRANCISCO INTERNATIONAL → KSAN SAN DIEGO INTERNATIONAL LINDBERGH FLD
StatusCompleted, departure delayed +26 min
Scheduled departure12:00 PDT
Actual departure12:26 PDT delayed +26 min
Actual arrival13:33 PDT
Duration1h 07m
AircraftN17310 B38M
Max altitude29,000 ft
Distance tracked388 nm

Punctuality, last 30 days

Flights13
On time5 (38%)
Average delay+28 min
Worst delay+95 min

In the last 30 days UAL1257 departed on time (within 15 minutes) on 5 of 13 flights (38%), with an average departure delay of +28 min and a worst delay of +95 min.

UAL1257 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.