UA1257 · UAL1257

UAL1257 over the last 30 days

As of 2026-10-30

UAL1257 is operated by United Airlines on the route San Francisco International Airport (SFO/KSFO) → San Diego International Airport (SAN/KSAN). It usually takes off around 19:52 UTC (12:52 local time, SFO). It usually lands around 21:01 UTC (14:01 local time, SAN). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

19:52 UTC · 12:52 local time (SFO)

Typical landing

21:01 UTC · 14:01 local time (SAN)

Typical time airborne

71 min

Median departure deviation from the usual time on this route

+4 min

Departures within 15 minutes of the usual time

64 %

Departures measured

166

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737 MAX 8 (B38M) — Number of flights: 30
• BOEING 737 MAX 9 (B39M) — Number of flights: 25
• BOEING 737-800 (B738) — Number of flights: 9

Aircraft in the last 7 days

• N73275 · BOEING 737-800 2026-10-30
• N811UA · AIRBUS A-319 2026-10-30
• N33264 · BOEING 737-800 2026-10-29
• N873UA · AIRBUS A-319 2026-10-29
• N73251 · BOEING 737-800 2026-10-28
• N73283 · BOEING 737-800 2026-10-27

Related flights on this route

• All flights KSFO – KSAN