Flight OddsIAH → SAT United Airlines
United Airlines · Houston, TX to San Antonio, TX · 2,892 flights, 2025-07-01 to 2026-06-30 · aggregated across 78 flight numbers
On-time arrival
83%
Median delay
-8 min
90th percentile
+32 min
Cancellation rate
1%
How on-time is United Airlines from IAH to SAT?
Across every United Airlines flight number on IAH → SAT (2,892 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +32 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,381 | 83% |
| 16-30 min | 183 | 6% |
| 31-60 min | 139 | 5% |
| 61-120 min | 99 | 3% |
| 2+ hrs | 67 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 243 | 74% | +20 min |
| 2025-08 | 247 | 79% | +7 min |
| 2025-09 | 239 | 88% | -2 min |
| 2025-10 | 248 | 85% | +3 min |
| 2025-11 | 231 | 85% | +0 min |
| 2025-12 | 244 | 86% | -1 min |
| 2026-01 | 236 | 89% | +1 min |
| 2026-02 | 218 | 92% | -8 min |
| 2026-03 | 242 | 83% | +3 min |
| 2026-04 | 240 | 83% | 0 min |
| 2026-05 | 246 | 83% | +7 min |
| 2026-06 | 235 | 71% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 410 | 80% |
| Tue | 424 | 87% |
| Wed | 405 | 85% |
| Thu | 406 | 81% |
| Fri | 409 | 82% |
| Sat | 403 | 85% |
| Sun | 412 | 81% |
UA flight numbers on IAH → SAT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…