Flight OddsORD → STL American Airlines
American Airlines · Chicago, IL to St. Louis, MO · 2,101 flights, 2025-07-01 to 2026-06-30 · aggregated across 85 flight numbers
On-time arrival
70%
Median delay
-2 min
90th percentile
+70 min
Cancellation rate
3%
How on-time is American Airlines from ORD to STL?
Across every American Airlines flight number on ORD → STL (2,101 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +70 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,420 | 70% |
| 16-30 min | 164 | 8% |
| 31-60 min | 207 | 10% |
| 61-120 min | 145 | 7% |
| 2+ hrs | 92 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 170 | 57% | +26 min |
| 2025-08 | 163 | 68% | +25 min |
| 2025-09 | 154 | 84% | +3 min |
| 2025-10 | 177 | 69% | +18 min |
| 2025-11 | 146 | 75% | +14 min |
| 2025-12 | 137 | 55% | +35 min |
| 2026-01 | 121 | 60% | +16 min |
| 2026-02 | 155 | 70% | +12 min |
| 2026-03 | 174 | 68% | +21 min |
| 2026-04 | 223 | 69% | +18 min |
| 2026-05 | 234 | 78% | +4 min |
| 2026-06 | 174 | 79% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 292 | 65% |
| Tue | 291 | 75% |
| Wed | 285 | 73% |
| Thu | 301 | 73% |
| Fri | 295 | 65% |
| Sat | 256 | 73% |
| Sun | 308 | 66% |
AA flight numbers on ORD → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…