Flight OddsAA4253 ORD → BWI
American Airlines · Chicago, IL to Baltimore, MD · 95 flights observed, 2025-07-01 to 2025-11-01 · 622 mi
AA4253 covers more than one route in the data window — the stats below are for ORD → BWI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-3 min
90th percentile
+49 min
Cancellation rate
2%
How often is AA4253 on time?
Across 95 flights on ORD → BWI from 2025-07-01 to 2025-11-01, AA4253 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +49 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 68 | 73% |
| 16-30 min | 9 | 10% |
| 31-60 min | 9 | 10% |
| 61-120 min | 5 | 5% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 61% | +17 min |
| 2025-08 | 5 | 100% | -17 min |
| 2025-09 | 28 | 75% | 0 min |
| 2025-10 | 31 | 77% | +8 min |
| 2025-11 | 1 | 100% | -23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 77% |
| Tue | 14 | 86% |
| Wed | 13 | 85% |
| Thu | 13 | 69% |
| Fri | 13 | 54% |
| Sat | 14 | 71% |
| Sun | 13 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…