UA2388 IAH → SFO

United Airlines · Houston, TX to San Francisco, CA · 225 flights observed, 2025-07-01 to 2026-02-11 · 1,635 mi

This flight's reliability varies a lot by day of week — 91% on-time on Tuesdays vs. 55% on Wednesdays.

UA2388 covers more than one route in the data window — the stats below are for IAH → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
69%
Median delay
0 min
90th percentile
+59 min
Cancellation rate
0%

How often is UA2388 on time?

Across 225 flights on IAH → SFO from 2025-07-01 to 2026-02-11, UA2388 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +59 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time15569%
16-30 min2210%
31-60 min2612%
61-120 min125%
2+ hrs104%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073158%+30 min
2025-083181%+7 min
2025-093080%+10 min
2025-103155%+19 min
2025-112966%+12 min
2025-123165%+16 min
2026-013174%+12 min
2026-021182%-1 min

Performance by day of week

DayFlightsOn-time
Mon3259%
Tue3391%
Wed3355%
Thu3165%
Fri3278%
Sat3278%
Sun3256%

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