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United Airlines

Is UA1233 delayed?

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

Arrived

5 min early

Updated

Departure

Denver

DEN

Actual

Scheduled 11:44

Aug 22

Arrival

Newark

EWR

Actual

Scheduled 17:35

Aug 22

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Denver → NewarkDENEWR
Route overview

Recent arrivals

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

  • DEN → EWR

    15 min early

  • DEN → EWR

    17 min early

  • DEN → EWR

    25 min late

  • DEN → EWR

    19 min late

  • DEN → EWR

    26 min late
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
29
Arrivals over 15 minutes late
8
Observed cancellations
0
Observed occurrences
29

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

UA1233 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedDenverNewark
View this flight’s market
-15
Sep 16, 2026ArrivedDenverNewark
-17
Sep 15, 2026ArrivedDenverNewark
25
Sep 14, 2026ArrivedDenverNewark
19
Sep 13, 2026ArrivedDenverNewark
26
Sep 12, 2026ArrivedDenverNewark
-1
Sep 11, 2026ArrivedDenverNewark
5
Sep 10, 2026ArrivedDenverNewark
-26
Sep 9, 2026ArrivedDenverNewark
-22
Sep 8, 2026ArrivedDenverNewark
6
Sep 7, 2026ArrivedDenverNewark
0
Sep 6, 2026ArrivedDenverNewark
7
Sep 5, 2026ArrivedDenverNewark
-14
Sep 4, 2026ArrivedDenverNewark
22
Sep 3, 2026ArrivedDenverNewark
23
Sep 2, 2026ArrivedDenverNewark
-3
Sep 1, 2026ArrivedDenverNewark
-3
Aug 31, 2026ArrivedDenverNewark
-37
Aug 30, 2026ArrivedDenverNewark
-22
Aug 29, 2026ArrivedDenverNewark
-5
Aug 28, 2026ArrivedDenverNewark
24
Aug 27, 2026ArrivedDenverNewark
105
Aug 26, 2026ArrivedDenverNewark
-25
Aug 25, 2026ArrivedDenverNewark
-11
Aug 24, 2026ArrivedDenverNewark
-27
Aug 23, 2026ArrivedDenverNewark
-17
Aug 22, 2026ArrivedDenverNewark
-5
Aug 21, 2026ArrivedDenverNewark
-18
Aug 20, 2026ArrivedDenverNewark
397

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