Flight OddsAA4794 BOS → ORD
American Airlines · Boston, MA to Chicago, IL · 24 flights observed, 2026-02-12 to 2026-03-07 · 867 mi
AA4794 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
77%
Median delay
-5 min
90th percentile
+33 min
Cancellation rate
8%
How often is AA4794 on time?
Across 24 flights on BOS → ORD from 2026-02-12 to 2026-03-07, AA4794 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +33 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 | 17 | 77% |
| 16-30 min | 2 | 9% |
| 31-60 min | 2 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 15 | 87% | -6 min |
| 2026-03 | 7 | 57% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 100% |
| Wed | 3 | 33% |
| Thu | 4 | 100% |
| Fri | 4 | 75% |
| Sat | 4 | 75% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…