Flight OddsAA1545 ORD → STL
American Airlines · Chicago, IL to St. Louis, MO · 10 flights observed, 2025-08-06 to 2025-09-02 · 258 mi
AA1545 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
60%
Median delay
-2 min
90th percentile
+83 min
Cancellation rate
0%
How often is AA1545 on time?
Across 10 flights on ORD → STL from 2025-08-06 to 2025-09-02, AA1545 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +83 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 60% |
| 16-30 min | 1 | 10% |
| 31-60 min | 1 | 10% |
| 61-120 min | 1 | 10% |
| 2+ hrs | 1 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 9 | 56% | +25 min |
| 2025-09 | 1 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 4 | 50% |
| Wed | 4 | 75% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 2 | 50% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…