Flight OddsAA3799 BOS → ORD
American Airlines · Boston, MA to Chicago, IL · 25 flights observed, 2025-11-02 to 2025-12-01 · 867 mi
AA3799 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
90%
Median delay
-8 min
90th percentile
+13 min
Cancellation rate
16%
How often is AA3799 on time?
Across 25 flights on BOS → ORD from 2025-11-02 to 2025-12-01, AA3799 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +13 min or later. 16% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 90% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 20 | 90% | +14 min |
| 2025-12 | 1 | 100% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 3 | 67% |
| Wed | 4 | 100% |
| Thu | 3 | 100% |
| Fri | 2 | 100% |
| Sat | No data | — |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…