Is UAL4797 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
34 min early
Official source · Updated
Departure
Knoxville
TYS
Actual
Scheduled 11:33
Sep 6
Arrival
Houston
IAH
Actual
Scheduled 08:37
Sep 6
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
TYSIAH
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 38 min late
DEN → CPR
- 9 min late
DEN → CPR
- 1 min early
DEN → CPR
- 2 min late
DEN → CPR
- 17 min early
DEN → CPR
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 8
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 | Casper | 38 | |
| Sep 16, 2026Arrived | Denver | Casper | 9 | |
| Sep 15, 2026Arrived | Denver | Casper | -1 | |
| Sep 14, 2026Arrived | Denver | Casper | 2 | |
| Sep 11, 2026Arrived | Denver | Casper | -17 | |
| Sep 9, 2026Arrived | Denver | Casper | -12 | |
| Sep 8, 2026Arrived | Denver | Casper | 25 | |
| Sep 6, 2026Arrived | Knoxville | Houston | -34 |