AA4342 BOS → DCA

American Airlines · Boston, MA to Washington, DC · 28 flights observed, 2025-08-06 to 2025-09-02 · 399 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -5 min, while the worst 10% run +65 min or later.

AA4342 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
85%
Median delay
-5 min
90th percentile
+65 min
Cancellation rate
4%

How often is AA4342 on time?

Across 28 flights on BOS → DCA from 2025-08-06 to 2025-09-02, AA4342 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -5 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-time2385%
16-30 min00%
31-60 min00%
61-120 min415%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082584%+2 min
2025-092100%+5 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue4100%
Wed3100%
Thu450%
Fri4100%
Sat4100%
Sun475%

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