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

United Airlines Seattle, WA (SEA) to San Francisco, CA (SFO) reliability

Among 2,040 scheduled United Airlines flights from SEA to SFO, 65.9% arrived on time, 23.4% arrived at least 30 minutes late, and 0.8% 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 SIGNALVariable
65.9%arrived on time
23.4%30+ min late
0.8%cancelled
2,040scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late23.4%
60+ minutes late12.4%
Cancelled0.8%
Average arrival+16.4 mincompleted flights

What did United Airlines SEA to SFO record?

United Airlines completed 99.0% of its scheduled reportable SEA to SFO flights in the observation window. 65.9% of all scheduled flights arrived less than 15 minutes late, while 12.4% arrived at least an hour late.

What were United Airlines SEA to SFO disruption rates?

For United Airlines SEA-to-SFO flights, 23.4% arrived at least 30 minutes late, 0.8% were cancelled, and 0.1% were diverted.

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What was the United Airlines SEA to SFO scheduled cohort?

The United Airlines SEA-to-SFO cohort contained 2,040 scheduled flights; 2,020 completed, 17 were cancelled, and 3 were diverted.

Not a prediction.

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