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United Airlines

Is UA4665 delayed?

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

Last reported

Cancelled

This update may be out of date.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

Update time unavailable

Departure

Denver

DEN

Scheduled

Aug 21

Arrival

Bismarck

BIS

Scheduled

Aug 22

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Recent arrivals

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

  • DEN → BIS

    4 min late

  • DEN → BIS

    9 min late

  • DEN → BIS

    19 min early

  • DEN → BIS

    8 min early

  • DEN → BIS

    12 min early
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
15
Arrivals over 15 minutes late
2
Observed cancellations
2
Observed occurrences
17

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 17, 2026ArrivedDenverBismarck
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4
Sep 16, 2026ArrivedDenverBismarck
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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