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United Airlines

Is UA1257 delayed?

UA1257 is cancelled on Nov 14.

Usually on time: arrived within 15 min of schedule on 20 of the last 37 flights.

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

Last reported

Cancelled

This update may be out of date. Check with your airline.

Update time unavailable

Departure

St Louis

STL

Scheduled

Nov 14

Arrival

San Francisco

SFO

Scheduled

Nov 14

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

San Francisco

SFO

Scheduled

Nov 14

Arrival

San Diego

SAN

Scheduled

Nov 14

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Also sold as OZ6344, NZ2924, NZ9700, AZ4431, CM2874, EK6315, VA8395

Route overview: San Francisco → San DiegoSFOSAN
San Francisco → San Diego

Recent arrivals

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

  • St Louis → San Francisco

    205 min late

  • St Louis → San Francisco

    116 min late

  • San Francisco → San Diego

    On schedule (14 min behind)

  • St Louis → San Francisco

    7 min early

  • San Francisco → San Diego

    9 min early

Is UA1257 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
37
On time
54%
of 37 arrivals
Late
46%
of 37 arrivals
Cancelled
2%
of 48 flights
Median arrival delay
10 min
9 in 10 arrived within
86 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

San Francisco (SFO) departures

Left more than 15 min late
25 of 49
Cancelled today
41

Related flights

All United Airlines flights

Flight history and details
UA1257 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 14, 2026CancelledSt LouisSan FranciscoNot availableNot available
Nov 13, 2026ArrivedSt LouisSan Francisco205
Nov 12, 2026ArrivedSt LouisSan Francisco116
Nov 11, 2026ArrivedSan FranciscoSan Diego14
Nov 11, 2026ArrivedSt LouisSan Francisco-7
Nov 10, 2026ArrivedSan FranciscoSan Diego-9
Nov 10, 2026ArrivedSt LouisSan Francisco161
Nov 9, 2026ArrivedSan FranciscoSan Diego33
Nov 9, 2026ArrivedSt LouisSan Francisco-12
Nov 8, 2026ArrivedSan FranciscoSan Diego-14
Nov 8, 2026ArrivedSt LouisSan Francisco-40
Nov 7, 2026ArrivedSan FranciscoSan Diego-27
Nov 7, 2026ArrivedSt LouisSan Francisco11
Nov 6, 2026ArrivedSan FranciscoSan Diego24
Nov 6, 2026ArrivedSt LouisSan Francisco-34
Nov 5, 2026ArrivedSan FranciscoSan Diego50
Nov 5, 2026ArrivedSt LouisSan Francisco-20
Nov 4, 2026ArrivedSan FranciscoSan Diego17
Nov 4, 2026ArrivedSt LouisSan Francisco11
Nov 3, 2026ArrivedSan FranciscoSan Diego-6
Nov 2, 2026ArrivedSan FranciscoSan Diego29
Nov 1, 2026ArrivedSan FranciscoSan Diego19
Oct 31, 2026ArrivedSan FranciscoSan Diego-19
Oct 30, 2026ArrivedSan FranciscoSan Diego30
Oct 29, 2026ArrivedSan FranciscoSan Diego4
Oct 28, 2026ArrivedSan FranciscoSan Diego1
Oct 28, 2026ArrivedSt LouisSan FranciscoNot available
Oct 27, 2026ArrivedSan FranciscoSan Diego-2
Oct 26, 2026ArrivedSan FranciscoSan Diego9
Oct 25, 2026ArrivedSan FranciscoSan Diego40
Oct 24, 2026ArrivedSan FranciscoSan Diego-18
Oct 23, 2026ArrivedSan FranciscoSan Diego39
Oct 22, 2026ArrivedSan FranciscoSan Diego5
Oct 21, 2026ArrivedSan FranciscoSan Diego2
Oct 19, 2026ArrivedSan FranciscoSan Diego56
Oct 18, 2026ArrivedSan FranciscoSan Diego18
Oct 17, 2026ArrivedSan FranciscoSan Diego66
Oct 16, 2026ArrivedSan FranciscoSan Diego179
Oct 15, 2026ArrivedSan FranciscoSan Diego44
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