Flight OddsAA3547 STL → ORD
American Airlines · St. Louis, MO to Chicago, IL · 22 flights observed, 2026-03-08 to 2026-04-06 · 258 mi
AA3547 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
75%
Median delay
-10 min
90th percentile
+39 min
Cancellation rate
9%
How often is AA3547 on time?
Across 22 flights on STL → ORD from 2026-03-08 to 2026-04-06, AA3547 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +39 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 | 15 | 75% |
| 16-30 min | 2 | 10% |
| 31-60 min | 2 | 10% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 16 | 81% | -4 min |
| 2026-04 | 4 | 50% | +52 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 3 | 100% |
| Wed | No data | — |
| Thu | 4 | 75% |
| Fri | 4 | 50% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…