AA4645 CMH → BOS

American Airlines · Columbus, OH to Boston, MA · 10 flights observed, 2025-11-20 to 2025-12-02 · 640 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -18 min, while the worst 10% run +76 min or later.

AA4645 covers more than one route in the data window — the stats below are for CMH → BOS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
70%
Median delay
-18 min
90th percentile
+76 min
Cancellation rate
0%

How often is AA4645 on time?

Across 10 flights on CMH → BOS from 2025-11-20 to 2025-12-02, AA4645 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +76 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time770%
16-30 min00%
31-60 min110%
61-120 min110%
2+ hrs110%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11875%+11 min
2025-12250%+23 min

Performance by day of week

DayFlightsOn-time
Mon2100%
Tue250%
Wed10%
Thu1100%
Fri2100%
SatNo data—
Sun250%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…