UA2638 IAH → SAN

United Airlines · Houston, TX to San Diego, CA · 68 flights observed, 2025-08-19 to 2025-10-25 · 1,303 mi

UA2638 covers more than one route in the data window — the stats below are for IAH → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
85%
Median delay
+2 min
90th percentile
+18 min
Cancellation rate
1%

How often is UA2638 on time?

Across 68 flights on IAH → SAN from 2025-08-19 to 2025-10-25, UA2638 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +18 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time5785%
16-30 min69%
31-60 min46%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081385%0 min
2025-092990%+4 min
2025-102580%+4 min

Performance by day of week

DayFlightsOn-time
Mon989%
Tue1090%
Wed978%
Thu1080%
Fri1090%
Sat10100%
Sun967%

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