Flight OddsAA3540 COU → ORD
American Airlines · Columbia, MO to Chicago, IL · 44 flights observed, 2026-04-07 to 2026-05-20 · 315 mi
AA3540 covers more than one route in the data window — the stats below are for COU → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-20 min
90th percentile
+28 min
Cancellation rate
7%
How often is AA3540 on time?
Across 44 flights on COU → ORD from 2026-04-07 to 2026-05-20, AA3540 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +28 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 35 | 88% |
| 16-30 min | 1 | 3% |
| 31-60 min | 1 | 3% |
| 61-120 min | 3 | 8% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 22 | 86% | -3 min |
| 2026-05 | 18 | 89% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 7 | 71% |
| Wed | 7 | 100% |
| Thu | 6 | 50% |
| Fri | 5 | 100% |
| Sat | 6 | 100% |
| Sun | 6 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…