Is UA4050 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
23 min early
Official source · Updated
Departure
Houston
IAH
Actual
Scheduled 08:33
Sep 19
Arrival
Knoxville
TYS
Actual
Scheduled 15:30
Sep 19
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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IAHTYS
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 23 min early
IAH → TYS
- 8 min early
IAH → TYS
- 7 min late
IAH → TYS
- 15 min early
IAH → TYS
- 22 min early
IAH → TYS
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 12
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 1
- Observed occurrences
- 16
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 19, 2026Arrived | Houston | Knoxville | -23 | |
| Sep 18, 2026Arrived | Houston | Knoxville | -8 | |
| Sep 17, 2026Arrived | Houston | Knoxville | 7 | |
| Sep 16, 2026Arrived | Houston | Knoxville | -15 | |
| Sep 15, 2026Arrived | Houston | Knoxville | -22 | |
| Sep 14, 2026Arrived | Houston | Knoxville | -16 | |
| Sep 11, 2026Arrived | Houston | Knoxville | -13 | |
| Sep 10, 2026Arrived | Houston | Knoxville | -6 | |
| Sep 9, 2026Arrived | Houston | Knoxville | -15 | |
| Sep 8, 2026Arrived | Houston | Knoxville | -14 | |
| Sep 5, 2026Arrived | Houston | Louisville | 71 | |
| Sep 4, 2026Arrived | Houston | Louisville | 23 | |
| Aug 27, 2026Cancelled | Houston | Louisville | Not available | Not available |