Flight OddsAA4040 BWI → ORD
American Airlines · Baltimore, MD to Chicago, IL · 34 flights observed, 2025-07-01 to 2025-08-05 · 622 mi
AA4040 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
23%
Median delay
+42 min
90th percentile
+161 min
Cancellation rate
12%
How often is AA4040 on time?
Across 34 flights on BWI → ORD from 2025-07-01 to 2025-08-05, AA4040 arrived within 15 minutes of schedule 23% of the time. The median arrival delay was +42 min, and the worst 10% of flights arrived +161 min or later. 12% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 23% |
| 16-30 min | 6 | 20% |
| 31-60 min | 7 | 23% |
| 61-120 min | 4 | 13% |
| 2+ hrs | 6 | 20% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 16% | +78 min |
| 2025-08 | 5 | 60% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 0% |
| Tue | 5 | 40% |
| Wed | 5 | 20% |
| Thu | 3 | 0% |
| Fri | 4 | 50% |
| Sat | 4 | 25% |
| Sun | 5 | 20% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…