Is UA1204 delayed?
Service date: · Scheduled departure date (America/Denver)
Arrived
7 min early
Updated
Departure
Denver
DEN
Actual
Scheduled 10:07
Aug 20
Arrival
Houston
IAH
Actual
Scheduled 13:40
Aug 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- 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.
- 4 min early
DEN → LAX
- 5 min early
DEN → LAX
- 13 min early
DEN → LAX
- 18 min late
DEN → LAX
- 11 min late
DEN → LAX
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 28
- Arrivals over 15 minutes late
- 4
- 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.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 17, 2026Arrived | Denver | Los Angeles | -4 | |
| Sep 16, 2026Arrived | Denver | Los Angeles | -5 | |
| Sep 15, 2026Arrived | Denver | Los Angeles | -13 | |
| Sep 14, 2026Arrived | Denver | Los Angeles | 18 | |
| Sep 13, 2026Arrived | Denver | Los Angeles | 11 | |
| Sep 12, 2026Arrived | Denver | Los Angeles | -8 | |
| Sep 11, 2026Arrived | Denver | Los Angeles | -5 | |
| Sep 10, 2026Arrived | Denver | Los Angeles | -14 | |
| Sep 9, 2026Arrived | Denver | Los Angeles | -20 | |
| Sep 8, 2026Arrived | Denver | Los Angeles | 1 | |
| Sep 7, 2026Arrived | Denver | Houston | -4 | |
| Sep 6, 2026Arrived | Denver | Houston | -6 | |
| Sep 5, 2026Arrived | Denver | Houston | -2 | |
| Sep 4, 2026Arrived | Denver | Houston | 97 | |
| Sep 3, 2026Arrived | Denver | Houston | 31 | |
| Sep 2, 2026Arrived | Denver | Houston | -22 | |
| Sep 1, 2026Arrived | Denver | Houston | 9 | |
| Aug 31, 2026Arrived | Denver | Houston | -23 | |
| Aug 30, 2026Arrived | Denver | Houston | 16 | |
| Aug 29, 2026Arrived | Denver | Houston | -17 | |
| Aug 28, 2026Arrived | Denver | Houston | -13 | |
| Aug 27, 2026Arrived | Denver | Houston | -9 | |
| Aug 26, 2026Arrived | Denver | Houston | -13 | |
| Aug 25, 2026Arrived | Denver | Houston | -5 | |
| Aug 23, 2026Arrived | Denver | Houston | -25 | |
| Aug 22, 2026Arrived | Denver | Houston | -24 | |
| Aug 21, 2026Arrived | Denver | Houston | -19 | |
| Aug 20, 2026Arrived | Denver | Houston | -7 |