AA3817 BOS → DCA

American Airlines · Boston, MA to Washington, DC · 46 flights observed, 2026-02-12 to 2026-04-06 · 399 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -9 min, while the worst 10% run +65 min or later.

AA3817 covers more than one route in the data window — the stats below are for BOS → DCA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-9 min
90th percentile
+65 min
Cancellation rate
4%

How often is AA3817 on time?

Across 46 flights on BOS → DCA from 2026-02-12 to 2026-04-06, AA3817 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +65 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3581%
16-30 min00%
31-60 min37%
61-120 min49%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-021275%+5 min
2026-032785%+2 min
2026-04475%+14 min

Performance by day of week

DayFlightsOn-time
Mon786%
Tue683%
Wed771%
Thu875%
Fri888%
SatNo data—
Sun786%

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