BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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STL→PHL

American Airlines St. Louis, MO (STL) to Philadelphia, PA (PHL) reliability

Among 630 scheduled American Airlines flights from STL to PHL, 80.2% arrived on time, 13.2% arrived at least 30 minutes late, and 1.1% 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 SIGNALLower disruption
80.2%arrived on time
13.2%30+ min late
1.1%cancelled
630scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late13.2%
60+ minutes late8.6%
Cancelled1.1%
Average arrival+9.6 mincompleted flights

What did American Airlines STL to PHL record?

American Airlines completed 98.6% of its scheduled reportable STL to PHL flights in the observation window. 80.2% of all scheduled flights arrived less than 15 minutes late, while 8.6% arrived at least an hour late.

What were American Airlines STL to PHL disruption rates?

For American Airlines STL-to-PHL flights, 13.2% arrived at least 30 minutes late, 1.1% were cancelled, and 0.3% were diverted.

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What was the American Airlines STL to PHL scheduled cohort?

The American Airlines STL-to-PHL cohort contained 630 scheduled flights; 621 completed, 7 were cancelled, and 2 were diverted.

Not a prediction.

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