PHL → SEA American Airlines

American Airlines · Philadelphia, PA to Seattle, WA · 620 flights, 2025-07-01 to 2026-06-30 · aggregated across 11 flight numbers

This route's scheduled flight time has grown by 14 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.
On-time arrival
74%
Median delay
-4 min
90th percentile
+41 min
Cancellation rate
2%

How on-time is American Airlines from PHL to SEA?

Across every American Airlines flight number on PHL → SEA (620 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +41 min or later. 2% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time44774%
16-30 min7212%
31-60 min529%
61-120 min224%
2+ hrs122%

Performance by month

MonthFlightsOn-timeAvg delay
2025-075966%+16 min
2025-087370%+9 min
2025-096281%-8 min
2025-106177%-1 min
2025-112976%+0 min
2025-123047%+24 min
2026-012781%+1 min
2026-022588%-6 min
2026-033060%+12 min
2026-045489%-4 min
2026-057175%-2 min
2026-068473%+7 min

Performance by day of week

DayFlightsOn-time
Mon8774%
Tue8678%
Wed8271%
Thu8975%
Fri9069%
Sat8477%
Sun8774%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…