Flight OddsAA431 ORD → SAT
American Airlines · Chicago, IL to San Antonio, TX · 128 flights observed, 2025-07-03 to 2026-06-30 · 1,041 mi
AA431 covers more than one route in the data window — the stats below are for ORD → SAT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
52%
Median delay
+9 min
90th percentile
+101 min
Cancellation rate
5%
How often is AA431 on time?
Across 128 flights on ORD → SAT from 2025-07-03 to 2026-06-30, AA431 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +101 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 64 | 52% |
| 16-30 min | 15 | 12% |
| 31-60 min | 16 | 13% |
| 61-120 min | 18 | 15% |
| 2+ hrs | 9 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 54% | +30 min |
| 2025-08 | 19 | 42% | +47 min |
| 2025-09 | 12 | 58% | +17 min |
| 2025-10 | 27 | 70% | +6 min |
| 2025-11 | 1 | 100% | -30 min |
| 2026-05 | 11 | 27% | +48 min |
| 2026-06 | 28 | 46% | +52 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 43% |
| Tue | 15 | 60% |
| Wed | 12 | 50% |
| Thu | 20 | 55% |
| Fri | 17 | 47% |
| Sat | 13 | 62% |
| Sun | 22 | 55% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…