Flight OddsAA3731 BWI → ORD
American Airlines · Baltimore, MD to Chicago, IL · 24 flights observed, 2025-08-06 to 2025-09-02 · 622 mi
AA3731 covers more than one route in the data window — the stats below are for BWI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
+7 min
90th percentile
+117 min
Cancellation rate
8%
How often is AA3731 on time?
Across 24 flights on BWI → ORD from 2025-08-06 to 2025-09-02, AA3731 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +117 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 73% |
| 16-30 min | 1 | 5% |
| 31-60 min | 1 | 5% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 3 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 20 | 70% | +26 min |
| 2025-09 | 2 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 33% |
| Wed | 4 | 75% |
| Thu | 3 | 100% |
| Fri | 4 | 75% |
| Sat | 1 | 100% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…