Flight

UAL1257 13 Jun 2026

UAL1257, operated by United Airlines, on 13 Jun 2026: Miami International (KMIA) to San Francisco International (KSFO), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 12 Jun 2026All UAL1257 flights14 Jun 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKMIA MIAMI INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne08:12 EDT
Last seen11:01 PDT
Duration5h 49m
AircraftN37516
Max altitude36,000 ft
Distance tracked2,242 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteKHWO NORTH PERRY → KSAN SAN DIEGO INTERNATIONAL LINDBERGH FLD
StatusCompleted (receiver network)
First seen airborne15:20 EDT
Last seen13:40 PDT
Duration1h 19m
AircraftN34222
Max altitude35,000 ft
Distance tracked1,964 nm

Punctuality, last 30 days

Flights12
On time4 (33%)
Average delay+33 min
Worst delay+95 min

In the last 30 days UAL1257 departed on time (within 15 minutes) on 4 of 12 flights (33%), with an average departure delay of +33 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.