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

United Airlines Chicago, IL (ORD) to Seattle, WA (SEA) reliability

Among 1,535 scheduled United Airlines flights from ORD to SEA, 73.0% arrived on time, 14.5% arrived at least 30 minutes late, and 0.7% 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
73.0%arrived on time
14.5%30+ min late
0.7%cancelled
1,535scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.5%
60+ minutes late7.4%
Cancelled0.7%
Average arrival+9.2 mincompleted flights

What did United Airlines ORD to SEA record?

United Airlines completed 99.2% of its scheduled reportable ORD to SEA flights in the observation window. 73.0% of all scheduled flights arrived less than 15 minutes late, while 7.4% arrived at least an hour late.

What were United Airlines ORD to SEA disruption rates?

For United Airlines ORD-to-SEA flights, 14.5% arrived at least 30 minutes late, 0.7% were cancelled, and 0.1% were diverted.

Compare all airlines on this route

What was the United Airlines ORD to SEA scheduled cohort?

The United Airlines ORD-to-SEA cohort contained 1,535 scheduled flights; 1,522 completed, 11 were cancelled, and 2 were diverted.

Not a prediction.

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