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

Southwest Airlines Seattle, WA (SEA) to San Jose, CA (SJC) reliability

Among 927 scheduled Southwest Airlines flights from SEA to SJC, 72.4% arrived on time, 15.9% arrived at least 30 minutes late, and 0.3% were cancelled during July 2025–June 2026.

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

HISTORICAL ROUTE SIGNALGenerally reliable
72.4%arrived on time
15.9%30+ min late
0.3%cancelled
927scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late15.9%
60+ minutes late5.9%
Cancelled0.3%
Average arrival+7.0 mincompleted flights

What did Southwest Airlines SEA to SJC record?

Southwest Airlines completed 99.7% of its scheduled reportable SEA to SJC flights in the observation window. 72.4% of all scheduled flights arrived less than 15 minutes late, while 5.9% arrived at least an hour late.

What were Southwest Airlines SEA to SJC disruption rates?

For Southwest Airlines SEA-to-SJC flights, 15.9% arrived at least 30 minutes late, 0.3% were cancelled, and 0.0% were diverted.

Compare all airlines on this route

What was the Southwest Airlines SEA to SJC scheduled cohort?

The Southwest Airlines SEA-to-SJC cohort contained 927 scheduled flights; 924 completed, 3 were cancelled, and 0 were diverted.

Not a prediction.

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