IAH → SAN United Airlines

United Airlines · Houston, TX to San Diego, CA · 1,693 flights, 2025-07-01 to 2026-06-30 · aggregated across 26 flight numbers

On-time arrival
82%
Median delay
-7 min
90th percentile
+37 min
Cancellation rate
0%

How on-time is United Airlines from IAH to SAN?

Across every United Airlines flight number on IAH → SAN (1,693 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +37 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,37982%
16-30 min1117%
31-60 min986%
61-120 min563%
2+ hrs392%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0713869%+17 min
2025-0814076%+5 min
2025-0913690%0 min
2025-1014686%+0 min
2025-1114280%+2 min
2025-1214483%-1 min
2026-0112784%-2 min
2026-0212792%-12 min
2026-0315087%-8 min
2026-0414282%-2 min
2026-0514983%+3 min
2026-0614271%+15 min

Performance by day of week

DayFlightsOn-time
Mon25381%
Tue22387%
Wed24488%
Thu25076%
Fri24279%
Sat21883%
Sun25380%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…