BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
SEA→PHL

American Airlines Seattle, WA (SEA) to Philadelphia, PA (PHL) reliability

Among 619 scheduled American Airlines flights from SEA to PHL, 81.7% arrived on time, 9.2% arrived at least 30 minutes late, and 2.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: American Airlines (AA) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
81.7%arrived on time
9.2%30+ min late
2.1%cancelled
619scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late9.2%
60+ minutes late5.3%
Cancelled2.1%
Average arrival+0.7 mincompleted flights

What did American Airlines SEA to PHL record?

American Airlines completed 97.4% of its scheduled reportable SEA to PHL flights in the observation window. 81.7% of all scheduled flights arrived less than 15 minutes late, while 5.3% arrived at least an hour late.

What were American Airlines SEA to PHL disruption rates?

For American Airlines SEA-to-PHL flights, 9.2% arrived at least 30 minutes late, 2.1% were cancelled, and 0.5% were diverted.

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What was the American Airlines SEA to PHL scheduled cohort?

The American Airlines SEA-to-PHL cohort contained 619 scheduled flights; 603 completed, 13 were cancelled, and 3 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.