Is UAL5399 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
2 min late
Official source · Updated
Departure
Tucson
TUS
Actual
Scheduled 13:46
Sep 8
Arrival
Houston
IAH
Actual
Scheduled 10:55
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
TUSIAH
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min early
TUS → IAH
- 13 min early
TUS → IAH
- 13 min early
TUS → IAH
- 3 min early
TUS → IAH
- <1 min early
TUS → IAH
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- 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 | Tucson | Houston | -8 | |
| Sep 18, 2026Arrived | Tucson | Houston | -13 | |
| Sep 17, 2026Arrived | Tucson | Houston | -13 | |
| Sep 16, 2026Arrived | Tucson | Houston | -3 | |
| Sep 15, 2026Arrived | Tucson | Houston | 0 | |
| Sep 14, 2026Arrived | Tucson | Houston | -7 | |
| Sep 12, 2026Arrived | Tucson | Houston | -10 | |
| Sep 11, 2026Arrived | Tucson | Houston | 0 | |
| Sep 10, 2026Arrived | Tucson | Houston | -1 | |
| Sep 9, 2026Arrived | Tucson | Houston | 28 | |
| Sep 8, 2026Arrived | Tucson | Houston | 2 | |
| Sep 7, 2026Arrived | Tucson | Houston | 0 | |
| Sep 6, 2026Arrived | Tucson | Houston | 3 | |
| Sep 5, 2026Arrived | Tucson | Houston | -11 | |
| Sep 4, 2026Arrived | Tucson | Houston | -12 |