Skip to content

United Airlines

Is UA1233 delayed?

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

Arrived

On time

Official source · Updated

Departure

Denver

DEN

Actual

Scheduled 12:06

Sep 7

Arrival

Newark

EWR

Actual

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
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

    6 min early

  • DEN → EWR

    15 min early

  • DEN → EWR

    17 min early

  • DEN → EWR

    25 min late

  • DEN → EWR

    19 min late
Flight history and details

Aug 20, 2026 — Sep 19, 2026

Observed arrivals
30
Arrivals over 15 minutes late
8
Observed cancellations
0
Observed occurrences
30

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 18, 2026ArrivedDenverNewark
View this flight’s market
-6
Sep 17, 2026ArrivedDenverNewark
-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

Essential cookies keep the site running; analytics are optional. Privacy policy