AA4642 CMH → BOS

American Airlines · Columbus, OH to Boston, MA · 354 flights observed, 2025-07-01 to 2026-06-30 · 640 mi

This flight has a strong track record — on time 94% of the time, with a low cancellation rate.
On-time arrival
94%
Median delay
-12 min
90th percentile
+9 min
Cancellation rate
1%

How often is AA4642 on time?

Across 354 flights on CMH → BOS from 2025-07-01 to 2026-06-30, AA4642 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +9 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time32894%
16-30 min62%
31-60 min51%
61-120 min72%
2+ hrs31%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073190%+1 min
2025-082793%0 min
2025-093093%-8 min
2025-1031100%-6 min
2025-112993%-11 min
2025-123087%-2 min
2026-012584%-2 min
2026-0225100%-8 min
2026-033194%-6 min
2026-043093%-8 min
2026-0530100%-14 min
2026-0630100%-16 min

Performance by day of week

DayFlightsOn-time
Mon5088%
Tue5294%
Wed5292%
Thu5098%
Fri5296%
Sat4393%
Sun5096%

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