Flight OddsAA1004 ORD → STL
American Airlines · Chicago, IL to St. Louis, MO · 41 flights observed, 2026-05-21 to 2026-06-30 · 258 mi
AA1004 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
70%
Median delay
+1 min
90th percentile
+84 min
Cancellation rate
10%
How often is AA1004 on time?
Across 41 flights on ORD → STL from 2026-05-21 to 2026-06-30, AA1004 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +84 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 26 | 70% |
| 16-30 min | 3 | 8% |
| 31-60 min | 3 | 8% |
| 61-120 min | 3 | 8% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 64% | +10 min |
| 2026-06 | 26 | 73% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 6 | 83% |
| Wed | 4 | 50% |
| Thu | 5 | 80% |
| Fri | 6 | 50% |
| Sat | 5 | 80% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…