Flight OddsAA4970 ORD → STL
American Airlines · Chicago, IL to St. Louis, MO · 23 flights observed, 2025-11-02 to 2025-12-01 · 258 mi
AA4970 covers more than one route in the data window — the stats below are for ORD → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
-7 min
90th percentile
+55 min
Cancellation rate
9%
How often is AA4970 on time?
Across 23 flights on ORD → STL from 2025-11-02 to 2025-12-01, AA4970 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +55 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 14 | 67% |
| 16-30 min | 0 | 0% |
| 31-60 min | 5 | 24% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 20 | 70% | +9 min |
| 2025-12 | 1 | 0% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 1 | 100% |
| Wed | 1 | 0% |
| Thu | 4 | 100% |
| Fri | 3 | 100% |
| Sat | 3 | 100% |
| Sun | 4 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…