BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
ORD→PHL

United Airlines Chicago, IL (ORD) to Philadelphia, PA (PHL) reliability

Among 1,776 scheduled United Airlines flights from ORD to PHL, 71.2% arrived on time, 19.9% arrived at least 30 minutes late, and 1.3% were cancelled during July 2025–June 2026.

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

HISTORICAL ROUTE SIGNALGenerally reliable
71.2%arrived on time
19.9%30+ min late
1.3%cancelled
1,776scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late19.9%
60+ minutes late11.5%
Cancelled1.3%
Average arrival+15.8 mincompleted flights

What did United Airlines ORD to PHL record?

United Airlines completed 98.5% of its scheduled reportable ORD to PHL flights in the observation window. 71.2% of all scheduled flights arrived less than 15 minutes late, while 11.5% arrived at least an hour late.

What were United Airlines ORD to PHL disruption rates?

For United Airlines ORD-to-PHL flights, 19.9% arrived at least 30 minutes late, 1.3% were cancelled, and 0.2% were diverted.

Compare all airlines on this route

What was the United Airlines ORD to PHL scheduled cohort?

The United Airlines ORD-to-PHL cohort contained 1,776 scheduled flights; 1,750 completed, 23 were cancelled, and 3 were diverted.

Not a prediction.

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