Flight OddsAA4897 STL → ORD
American Airlines · St. Louis, MO to Chicago, IL · 31 flights observed, 2025-07-06 to 2025-08-05 · 258 mi
AA4897 covers more than one route in the data window — the stats below are for STL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
34%
Median delay
+40 min
90th percentile
+189 min
Cancellation rate
6%
How often is AA4897 on time?
Across 31 flights on STL → ORD from 2025-07-06 to 2025-08-05, AA4897 arrived within 15 minutes of schedule 34% of the time. The median arrival delay was +40 min, and the worst 10% of flights arrived +189 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 10 | 34% |
| 16-30 min | 4 | 14% |
| 31-60 min | 3 | 10% |
| 61-120 min | 4 | 14% |
| 2+ hrs | 8 | 28% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 33% | +71 min |
| 2025-08 | 5 | 40% | +52 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 20% |
| Wed | 4 | 50% |
| Thu | 3 | 33% |
| Fri | 4 | 0% |
| Sat | 4 | 50% |
| 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…