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United Airlines

Is UA1691 delayed?

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

Arrived

36 min early

Updated

Departure

Houston

IAH

Actual

Scheduled 19:36

Aug 22

Arrival

San Francisco

SFO

Actual

Scheduled 21:45

Aug 22

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Houston → San FranciscoIAHSFO
Route overview

Recent arrivals

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

  • IAH → SFO

    7 min late

  • IAH → SFO

    20 min early

  • IAH → SFO

    14 min early

  • IAH → SFO

    17 min early

  • IAH → SFO

    21 min early
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
27
Arrivals over 15 minutes late
6
Observed cancellations
0
Observed occurrences
28

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

UA1691 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedHoustonSan Francisco
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7
Sep 15, 2026ArrivedHoustonSan Francisco
-20
Sep 14, 2026ArrivedHoustonSan Francisco
-14
Sep 13, 2026ArrivedHoustonSan Francisco
-17
Sep 12, 2026ArrivedHoustonSan Francisco
-21
Sep 11, 2026ArrivedHoustonSan Francisco
2
Sep 10, 2026ArrivedHoustonSan Francisco
-12
Sep 9, 2026ArrivedHoustonSan Francisco
-13
Sep 8, 2026ArrivedHoustonSan Francisco
22
Sep 7, 2026ArrivedHoustonSan Francisco
33
Sep 6, 2026ArrivedHoustonSan Francisco
-19
Sep 5, 2026ArrivedHoustonSan Francisco
-21
Sep 4, 2026ArrivedHoustonSan Francisco
-18
Sep 3, 2026ArrivedHoustonSan Francisco
70
Sep 2, 2026ArrivedHoustonSan Francisco
-20
Sep 1, 2026ArrivedHoustonSan Francisco
-16
Aug 31, 2026ArrivedHoustonSan Francisco
44
Aug 30, 2026ArrivedHoustonSan Francisco
-24
Aug 29, 2026ArrivedHoustonSan Francisco
-24
Aug 28, 2026ArrivedHoustonSan Francisco
22
Aug 27, 2026ArrivedHoustonSan Francisco
36
Aug 26, 2026ArrivedHoustonSan Francisco
-23
Aug 25, 2026ArrivedHoustonSan Francisco
-30
Aug 24, 2026ArrivedHoustonSan Francisco
-31
Aug 23, 2026ArrivedHoustonSan Francisco
4
Aug 22, 2026ArrivedHoustonSan Francisco
-36
Aug 21, 2026ArrivedHoustonSan Francisco
-8

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