Is UA4581 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
24 min late
Official source · Updated
Departure
St Louis
STL
Actual
Scheduled 11:35
Sep 10
Arrival
Houston
IAH
Actual
Scheduled 08:25
Sep 10
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
STLIAH
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 26 min early
HSV → IAH
- 11 min early
HSV → IAH
- 1 min early
HSV → IAH
- 4 min early
STL → IAH
- 25 min early
STL → IAH
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 22
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 20, 2026Arrived | Huntsville | Houston | -26 | |
| Sep 19, 2026Arrived | Huntsville | Houston | -11 | |
| Sep 18, 2026Arrived | Huntsville | Houston | -1 | |
| Sep 17, 2026Arrived | St Louis | Houston | -4 | |
| Sep 16, 2026Arrived | St Louis | Houston | -25 | |
| Sep 15, 2026Arrived | Huntsville | Houston | -22 | |
| Sep 14, 2026Arrived | Huntsville | Houston | -31 | |
| Sep 13, 2026Arrived | Huntsville | Houston | -26 | |
| Sep 12, 2026Arrived | Huntsville | Houston | -20 | |
| Sep 11, 2026Arrived | Huntsville | Houston | 29 | |
| Sep 10, 2026Arrived | St Louis | Houston | 24 | |
| Sep 9, 2026Arrived | St Louis | Houston | 8 | |
| Sep 8, 2026Arrived | Huntsville | Houston | -30 | |
| Sep 7, 2026Arrived | Houston | Baton Rouge | -16 | |
| Sep 4, 2026Arrived | Houston | Baton Rouge | -11 |