United Airlines
Is UA6173 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
26 min early
Official source · Updated
Departure
Houston
IAH
Actual
Scheduled 20:33
Sep 14
Arrival
St Louis
STL
Actual
Scheduled 03:24
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
IAHSTL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 24 min late
IAH → STL
- 16 min early
IAH → STL
- 19 min early
IAH → STL
- 26 min early
IAH → STL
- 5 min early
IAH → STL
Flight history and details
Aug 23, 2026 — Sep 22, 2026
- Observed arrivals
- 6
- Arrivals over 15 minutes late
- 1
- 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 21, 2026Arrived | Houston | St Louis | 24 | |
| Sep 20, 2026Arrived | Houston | St Louis | -16 | |
| Sep 17, 2026Arrived | Houston | St Louis | -19 | |
| Sep 14, 2026Arrived | Houston | St Louis | -26 | |
| Sep 10, 2026Arrived | Houston | St Louis | -5 | |
| Sep 6, 2026Arrived | Houston | St Louis | 2 |