Flight OddsAA3233 BOS → ORD
American Airlines · Boston, MA to Chicago, IL · 77 flights observed, 2025-07-03 to 2025-10-05 · 867 mi
AA3233 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
33%
Median delay
+30 min
90th percentile
+138 min
Cancellation rate
5%
How often is AA3233 on time?
Across 77 flights on BOS → ORD from 2025-07-03 to 2025-10-05, AA3233 arrived within 15 minutes of schedule 33% of the time. The median arrival delay was +30 min, and the worst 10% of flights arrived +138 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 24 | 33% |
| 16-30 min | 13 | 18% |
| 31-60 min | 11 | 15% |
| 61-120 min | 15 | 21% |
| 2+ hrs | 10 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 17 | 6% | +97 min |
| 2025-08 | 24 | 42% | +44 min |
| 2025-09 | 27 | 37% | +37 min |
| 2025-10 | 5 | 60% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 18% |
| Tue | 8 | 38% |
| Wed | 7 | 86% |
| Thu | 12 | 25% |
| Fri | 13 | 38% |
| Sat | 8 | 25% |
| Sun | 14 | 21% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…