United Airlines
Is UA4204 delayed?
UA4204 is listed as cancelled on Sep 27.
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Denver
DEN
Scheduled
Sep 27
Arrival
Denver
DEN
Scheduled
Sep 27
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
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.
- 42 min early
Alexandria → Alexandria
- On schedule (10 min behind)
Houston → Houston
Is UA4204 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Denver (DEN) departures
- Left more than 15 min late
- 48 of 358
- Cancelled today
- 3
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 27, 2026Cancelled | Denver | Denver | Not available | Not available |
| Sep 17, 2026Arrived | Alexandria | Alexandria | -42 | |
| Sep 12, 2026Arrived | Houston | Houston | 10 | |
| Sep 9, 2026Cancelled | Rionegro | Newark | Not available | Not available |
Email me if UA4204 runs late
We email you if your next UA4204 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.