Flight OddsAA2837 BOS → ORD
American Airlines · Boston, MA to Chicago, IL · 102 flights observed, 2025-07-01 to 2025-10-30 · 867 mi
AA2837 covers more than one route in the data window — the stats below are for BOS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
41%
Median delay
+25 min
90th percentile
+156 min
Cancellation rate
8%
How often is AA2837 on time?
Across 102 flights on BOS → ORD from 2025-07-01 to 2025-10-30, AA2837 arrived within 15 minutes of schedule 41% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +156 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 | 38 | 41% |
| 16-30 min | 16 | 17% |
| 31-60 min | 10 | 11% |
| 61-120 min | 15 | 16% |
| 2+ hrs | 14 | 15% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 43% | +73 min |
| 2025-08 | 27 | 44% | +33 min |
| 2025-09 | 25 | 44% | +63 min |
| 2025-10 | 18 | 28% | +60 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 50% |
| Tue | 13 | 69% |
| Wed | 14 | 57% |
| Thu | 15 | 13% |
| Fri | 11 | 27% |
| Sat | 9 | 67% |
| Sun | 17 | 18% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…