AA1146 BOS → PHL

American Airlines · Boston, MA to Philadelphia, PA · 172 flights observed, 2025-07-01 to 2026-06-30 · 280 mi

This flight's scheduled flight time has grown by 11 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.

AA1146 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
94%
Median delay
-15 min
90th percentile
+7 min
Cancellation rate
3%

How often is AA1146 on time?

Across 172 flights on BOS → PHL from 2025-07-01 to 2026-06-30, AA1146 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +7 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time15594%
16-30 min32%
31-60 min11%
61-120 min42%
2+ hrs21%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072789%+21 min
2025-082997%-19 min
2025-092100%-17 min
2025-1025100%-12 min
2026-042496%+1 min
2026-052997%-7 min
2026-062986%-17 min

Performance by day of week

DayFlightsOn-time
Mon2391%
Tue2588%
Wed2496%
Thu25100%
Fri2396%
Sat2396%
Sun2291%

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