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United Airlines

Is UA4665 delayed?

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

Arrived

18 min early

Updated

Departure

Denver

DEN

Actual

Scheduled 17:40

Aug 28

Arrival

Bismarck

BIS

Actual

Scheduled 01:33

Aug 29

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • DEN → BIS

    9 min late

  • DEN → BIS

    19 min early

  • DEN → BIS

    8 min early

  • DEN → BIS

    12 min early

  • DEN → BIS

    25 min late
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
14
Arrivals over 15 minutes late
2
Observed cancellations
2
Observed occurrences
16

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

UA4665 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedDenverBismarck
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9
Sep 15, 2026ArrivedDenverBismarck
-19
Sep 13, 2026ArrivedDenverBismarck
-8
Sep 12, 2026ArrivedDenverBismarck
-12
Sep 10, 2026ArrivedDenverBismarck
25
Sep 9, 2026ArrivedDenverBismarck
60
Sep 8, 2026ArrivedDenverBismarck
5
Sep 7, 2026ArrivedDenverBismarck
-29
Sep 6, 2026ArrivedDenverBismarck
-16
Sep 5, 2026ArrivedDenverBismarck
-19
Sep 4, 2026ArrivedDenverBismarck
-20
Aug 31, 2026ArrivedDenverBismarck
-12
Aug 28, 2026ArrivedDenverBismarck
-18
Aug 26, 2026ArrivedDenverBismarck
-7
Aug 22, 2026CancelledDenverBismarckNot available
Not available
Aug 21, 2026CancelledDenverBismarckNot available
Not available

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