Flight OddsAA4392 BOS → ORD
American Airlines · Boston, MA to Chicago, IL · 45 flights observed, 2025-11-02 to 2025-12-17 · 867 mi
AA4392 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
65%
Median delay
-10 min
90th percentile
+79 min
Cancellation rate
11%
How often is AA4392 on time?
Across 45 flights on BOS → ORD from 2025-11-02 to 2025-12-17, AA4392 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +79 min or later. 11% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 26 | 65% |
| 16-30 min | 1 | 3% |
| 31-60 min | 8 | 20% |
| 61-120 min | 3 | 8% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 24 | 63% | +8 min |
| 2025-12 | 16 | 69% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 6 | 50% |
| Wed | 7 | 57% |
| Thu | 4 | 100% |
| Fri | 6 | 83% |
| Sat | 5 | 60% |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…