UA1338 IAH → DEN

United Airlines · Houston, TX to Denver, CO · 115 flights observed, 2025-07-01 to 2025-12-01 · 861 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -6 min, while the worst 10% run +65 min or later.

UA1338 covers more than one route in the data window — the stats below are for IAH → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-6 min
90th percentile
+65 min
Cancellation rate
1%

How often is UA1338 on time?

Across 115 flights on IAH → DEN from 2025-07-01 to 2025-12-01, UA1338 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +65 min or later. 1% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time8877%
16-30 min87%
31-60 min54%
61-120 min98%
2+ hrs44%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073070%+25 min
2025-081776%+29 min
2025-096100%-13 min
2025-103174%+6 min
2025-112983%-3 min
2025-121100%-1 min

Performance by day of week

DayFlightsOn-time
Mon1776%
Tue1688%
Wed1593%
Thu1669%
Fri1669%
Sat1771%
Sun1776%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…