Flight OddsAA4650 ORD → BOS
American Airlines · Chicago, IL to Boston, MA · 101 flights observed, 2025-07-12 to 2026-02-11 · 867 mi
AA4650 covers more than one route in the data window — the stats below are for ORD → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
61%
Median delay
+5 min
90th percentile
+116 min
Cancellation rate
11%
How often is AA4650 on time?
Across 101 flights on ORD → BOS from 2025-07-12 to 2026-02-11, AA4650 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +116 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 | 55 | 61% |
| 16-30 min | 11 | 12% |
| 31-60 min | 7 | 8% |
| 61-120 min | 9 | 10% |
| 2+ hrs | 8 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 3 | 67% | +7 min |
| 2025-08 | 1 | 100% | -44 min |
| 2025-11 | 24 | 71% | +9 min |
| 2025-12 | 26 | 65% | +33 min |
| 2026-01 | 25 | 52% | +20 min |
| 2026-02 | 11 | 45% | +80 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 75% |
| Tue | 12 | 83% |
| Wed | 14 | 36% |
| Thu | 12 | 58% |
| Fri | 12 | 58% |
| Sat | 15 | 67% |
| Sun | 13 | 54% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…