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United Airlines

Is UA1257 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

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

Arrived

71 min late

Official source · Updated

Departure

San Francisco

SFO

Actual

Scheduled 12:22

Sep 22

Arrival

San Diego

SAN

Actual

Scheduled 13:41

Sep 22

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)

Arrived

17 min early

Official source · Updated

Departure

Portland

PDX

Scheduled

Not available

Arrival

San Francisco

SFO

Actual

Scheduled 10:56

Sep 22

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

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.

  • SFO → SAN

    67 min late

  • MIA → SFO

    32 min early

  • SFO → SAN

    67 min late

  • SFO → SAN

    71 min late

  • PDX → SFO

    17 min early
Flight history and details

Aug 25, 2026 — Sep 24, 2026

Observed arrivals
33
Arrivals over 15 minutes late
20
Observed cancellations
0
Observed occurrences
47

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 24, 2026ArrivedSan FranciscoSan Diego
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67
Sep 24, 2026ArrivedMiamiSan Francisco
-32
Sep 23, 2026ArrivedSan FranciscoSan Diego
67
Sep 22, 2026ArrivedSan FranciscoSan Diego
71
Sep 22, 2026ArrivedPortlandSan Francisco
-17
Sep 21, 2026ArrivedPortlandSan Francisco
39
Sep 20, 2026ArrivedPortlandSan Francisco
47
Sep 19, 2026ArrivedSan FranciscoSan Diego
69
Sep 19, 2026ArrivedPortlandSan Francisco
38
Sep 18, 2026ArrivedPortlandSan Francisco
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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