AA4382 DCA → BOS

American Airlines · Washington, DC to Boston, MA · 132 flights observed, 2025-07-01 to 2026-06-30 · 399 mi

This flight runs much more reliably at some times of day than others — 86% on-time departing 12–3pm vs. 50% departing 9pm–12am.

AA4382 covers more than one route in the data window — the stats below are for DCA → BOS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
66%
Median delay
-3 min
90th percentile
+70 min
Cancellation rate
8%

How often is AA4382 on time?

Across 132 flights on DCA → BOS from 2025-07-01 to 2026-06-30, AA4382 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +70 min or later. 8% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8066%
16-30 min1311%
31-60 min1512%
61-120 min76%
2+ hrs76%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072040%+51 min
2025-083083%-9 min
2025-092955%+20 min
2025-10560%+14 min
2026-051182%+14 min
2026-062770%+10 min

Performance by day of week

DayFlightsOn-time
Mon1867%
Tue1872%
Wed1753%
Thu1861%
Fri1867%
Sat1479%
Sun1963%

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