AA3309 BOS → PHL

American Airlines · Boston, MA to Philadelphia, PA · 39 flights observed, 2026-05-21 to 2026-06-30 · 280 mi

This flight's reliability varies a lot by day of week — 83% on-time on Tuesdays vs. 33% on Thursdays.

AA3309 covers more than one route in the data window — the stats below are for BOS → PHL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
62%
Median delay
0 min
90th percentile
+132 min
Cancellation rate
5%

How often is AA3309 on time?

Across 39 flights on BOS → PHL from 2026-05-21 to 2026-06-30, AA3309 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +132 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2362%
16-30 min25%
31-60 min411%
61-120 min411%
2+ hrs411%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051155%+38 min
2026-062665%+29 min

Performance by day of week

DayFlightsOn-time
Mon650%
Tue683%
Wed450%
Thu633%
Fri580%
Sat475%
Sun667%

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