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).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,379 | 82% |
| 16-30 min | 111 | 7% |
| 31-60 min | 98 | 6% |
| 61-120 min | 56 | 3% |
| 2+ hrs | 39 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 138 | 69% | +17 min |
| 2025-08 | 140 | 76% | +5 min |
| 2025-09 | 136 | 90% | 0 min |
| 2025-10 | 146 | 86% | +0 min |
| 2025-11 | 142 | 80% | +2 min |
| 2025-12 | 144 | 83% | -1 min |
| 2026-01 | 127 | 84% | -2 min |
| 2026-02 | 127 | 92% | -12 min |
| 2026-03 | 150 | 87% | -8 min |
| 2026-04 | 142 | 82% | -2 min |
| 2026-05 | 149 | 83% | +3 min |
| 2026-06 | 142 | 71% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 253 | 81% |
| Tue | 223 | 87% |
| Wed | 244 | 88% |
| Thu | 250 | 76% |
| Fri | 242 | 79% |
| Sat | 218 | 83% |
| Sun | 253 | 80% |
UA flight numbers on IAH → SAN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…