AA5866 BUF → PHL

American Airlines · Buffalo, NY to Philadelphia, PA · 147 flights observed, 2025-11-02 to 2026-04-06 · 279 mi

This flight has been getting more reliable recently — 2026-04's on-time rate (100%) is well above the 71% average from earlier months.

AA5866 covers more than one route in the data window — the stats below are for BUF → PHL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
-11 min
90th percentile
+70 min
Cancellation rate
5%

How often is AA5866 on time?

Across 147 flights on BUF → PHL from 2025-11-02 to 2026-04-06, AA5866 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +70 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time10072%
16-30 min129%
31-60 min96%
61-120 min118%
2+ hrs75%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112673%+6 min
2025-122662%+27 min
2026-012662%+11 min
2026-022584%-2 min
2026-033073%+10 min
2026-046100%-15 min

Performance by day of week

DayFlightsOn-time
Mon2080%
Tue2264%
Wed2181%
Thu2075%
Fri2162%
Sat1688%
Sun1958%

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