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United Airlines

Is UA1257 delayed?

Service date: · Scheduled departure date (America/Los_Angeles)

Arrived

64 min late

Updated

Departure

San Francisco

SFO

Actual

Scheduled 12:00

Aug 27

Arrival

San Diego

SAN

Actual

Scheduled 13:44

Aug 27

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: San Francisco → San DiegoSFOSAN
Route overview

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • PDX → SFO

    51 min late

  • PDX → SFO

    158 min late

  • PDX → SFO

    52 min late

  • SFO → SAN

    5 min early

  • PDX → SFO

    On time
Flight history and details

Aug 20, 2026 — Sep 19, 2026

Observed arrivals
24
Arrivals over 15 minutes late
13
Observed cancellations
0
Observed occurrences
42

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

UA1257 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 18, 2026ArrivedPortlandSan Francisco
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51
Sep 17, 2026ArrivedPortlandSan Francisco
158
Sep 16, 2026ArrivedPortlandSan Francisco
52
Sep 15, 2026ArrivedSan FranciscoSan Diego
-5
Sep 15, 2026ArrivedPortlandSan Francisco
0
Sep 14, 2026ArrivedSan FranciscoSan Diego
11
Sep 14, 2026ArrivedPortlandSan Francisco
17
Sep 13, 2026ArrivedSan FranciscoSan Diego
-14
Sep 13, 2026ArrivedPortlandSan Francisco
-14
Sep 12, 2026ArrivedPortlandSan Francisco
13
Sep 11, 2026ArrivedPortlandSan Francisco
123
Sep 10, 2026ArrivedSan FranciscoSan Diego
53
Sep 10, 2026ArrivedPortlandSan Francisco
8
Sep 9, 2026ArrivedSan FranciscoSan Diego
-6
Sep 9, 2026ArrivedPortlandSan Francisco
20
Sep 8, 2026ArrivedSan FranciscoSan Diego
-10
Sep 8, 2026ArrivedPortlandSan Francisco
31
Sep 7, 2026ArrivedSt LouisSan Francisco
31
Sep 6, 2026ArrivedSan FranciscoSan Diego
-11
Sep 6, 2026ArrivedSt LouisSan Francisco
21
Sep 5, 2026ArrivedSan FranciscoSan Diego
351
Sep 4, 2026ArrivedSan FranciscoSan Diego
68
Sep 4, 2026ArrivedSt LouisSan Francisco
-3
Aug 27, 2026ArrivedSan FranciscoSan Diego
64

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