Is UA4573 delayed?
No — UA4573 landed in Houston 25 min early, at 16:50 on Sep 29 (as of Sep 29, 21:50 UTC).
Usually on time: arrived within 15 min of schedule on 23 of the last 24 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
25 min early
Official source · Updated
Departure
Tulsa
TUL
Actual
Scheduled 15:48
Sep 29
Arrival
Houston
IAH
Actual
Scheduled 17:16
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Market settled: On time.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
On schedule (10 min behind)
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Houston
IAH
Actual
Scheduled 20:17
Sep 29
Arrival
Huntsville
HSV
Scheduled
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 25 min early
Tulsa → Houston
- 10 min early
Houston → Huntsville
- 24 min early
Tulsa → Houston
- 124 min late
Tulsa → Houston
- 26 min early
Houston → Huntsville
Is UA4573 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
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
Houston (IAH) departures
- Left more than 15 min late
- 30 of 346
- Cancelled today
- 2
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Tulsa | Houston | -25 | |
| Sep 28, 2026Arrived | Houston | Huntsville | -10 | |
| Sep 28, 2026Arrived | Tulsa | Houston | -24 | |
| Sep 27, 2026Arrived | Tulsa | Houston | 124 | |
| Sep 26, 2026Arrived | Houston | Huntsville | -26 | |
| Sep 26, 2026Arrived | Tulsa | Houston | -10 | |
| Sep 25, 2026Arrived | Houston | Huntsville | 3 | |
| Sep 25, 2026Arrived | Tulsa | Houston | -14 | |
| Sep 24, 2026Arrived | Houston | Huntsville | -18 | |
| Sep 24, 2026Arrived | Tulsa | Houston | -25 | |
| Sep 21, 2026Arrived | Houston | Huntsville | -10 | |
| Sep 20, 2026Arrived | Houston | Huntsville | -2 | |
| Sep 18, 2026Arrived | Houston | Huntsville | -16 | |
| Sep 17, 2026Arrived | Houston | Huntsville | -12 | |
| Sep 14, 2026Arrived | Houston | Huntsville | -19 | |
| Sep 13, 2026Arrived | Houston | Huntsville | 2 | |
| Sep 11, 2026Arrived | Houston | Huntsville | -17 | |
| Sep 10, 2026Arrived | Houston | Huntsville | -11 | |
| Sep 9, 2026Arrived | Tulsa | Houston | -18 | |
| Sep 6, 2026Arrived | Houston | Huntsville | -12 | |
| Sep 5, 2026Arrived | Chicago | Richmond | 3 | |
| Sep 4, 2026Arrived | Houston | Huntsville | 0 | |
| Sep 3, 2026Arrived | Houston | Huntsville | -19 | |
| Aug 31, 2026Arrived | Houston | Huntsville | -25 |
Email me if UA4573 runs late
We email you if your next UA4573 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.