AA4637 PHL → IND

American Airlines · Philadelphia, PA to Indianapolis, IN · 320 flights observed, 2025-07-01 to 2026-06-30 · 588 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 +57 min or later.
On-time arrival
74%
Median delay
-9 min
90th percentile
+57 min
Cancellation rate
5%

How often is AA4637 on time?

Across 320 flights on PHL → IND from 2025-07-01 to 2026-06-30, AA4637 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +57 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time22374%
16-30 min165%
31-60 min3411%
61-120 min145%
2+ hrs155%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072450%+18 min
2025-082861%+15 min
2025-092997%-12 min
2025-103174%+5 min
2025-112983%+2 min
2025-123057%+61 min
2026-012879%0 min
2026-022677%-1 min
2026-033181%+10 min
2026-04683%+6 min
2026-051173%-5 min
2026-062976%+9 min

Performance by day of week

DayFlightsOn-time
Mon4279%
Tue4381%
Wed4370%
Thu4470%
Fri4578%
Sat4379%
Sun4260%

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