Flight OddsIAD → SAT United Airlines
United Airlines · Washington, DC to San Antonio, TX · 686 flights, 2025-07-01 to 2026-06-30 · aggregated across 13 flight numbers
On-time arrival
87%
Median delay
-12 min
90th percentile
+24 min
Cancellation rate
1%
How on-time is United Airlines from IAD to SAT?
Across every United Airlines flight number on IAD → SAT (686 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +24 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 592 | 87% |
| 16-30 min | 30 | 4% |
| 31-60 min | 17 | 2% |
| 61-120 min | 18 | 3% |
| 2+ hrs | 24 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 62 | 71% | +28 min |
| 2025-08 | 54 | 93% | -6 min |
| 2025-09 | 51 | 92% | -3 min |
| 2025-10 | 55 | 98% | -13 min |
| 2025-11 | 60 | 85% | -4 min |
| 2025-12 | 62 | 81% | 0 min |
| 2026-01 | 50 | 88% | -9 min |
| 2026-02 | 52 | 92% | -18 min |
| 2026-03 | 62 | 89% | -8 min |
| 2026-04 | 59 | 90% | -10 min |
| 2026-05 | 55 | 89% | -2 min |
| 2026-06 | 59 | 80% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 104 | 89% |
| Tue | 87 | 92% |
| Wed | 85 | 86% |
| Thu | 103 | 88% |
| Fri | 104 | 84% |
| Sat | 99 | 87% |
| Sun | 99 | 83% |
UA flight numbers on IAD → SAT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…