BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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SJC→MDW

Southwest Airlines San Jose, CA (SJC) to Chicago, IL (MDW) reliability

Among 538 scheduled Southwest Airlines flights from SJC to MDW, 82.2% arrived on time, 7.6% arrived at least 30 minutes late, and 0.4% 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 SIGNALLower disruption
82.2%arrived on time
7.6%30+ min late
0.4%cancelled
538scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late7.6%
60+ minutes late1.3%
Cancelled0.4%
Average arrival-0.3 mincompleted flights

What did Southwest Airlines SJC to MDW record?

Southwest Airlines completed 98.5% of its scheduled reportable SJC to MDW flights in the observation window. 82.2% of all scheduled flights arrived less than 15 minutes late, while 1.3% arrived at least an hour late.

What were Southwest Airlines SJC to MDW disruption rates?

For Southwest Airlines SJC-to-MDW flights, 7.6% arrived at least 30 minutes late, 0.4% were cancelled, and 1.1% were diverted.

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What was the Southwest Airlines SJC to MDW scheduled cohort?

The Southwest Airlines SJC-to-MDW cohort contained 538 scheduled flights; 530 completed, 2 were cancelled, and 6 were diverted.

Not a prediction.

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