Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Seattle via San Jose: arrives on time 74%
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10:05 MDW → 12:30 SJCWN 3752 · Southwest · 4h 25m · 82% on time, 0.0% cancelled
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1h 40m layover in San Jose (SJC) · 45 min minimum on one ticket
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14:10 SJC → 16:20 SEAWN 4982 · Southwest · 2h 10m · 76% on time, 0.0% cancelled
Total trip 8h 15m, scheduled departure to arrival (Seattle is 2 h behind Chicago). Times are local. Both flew on 31 of the last 56 days.
Makes the connection98%The first flight arrived more than 55 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 40m layover.
Arrives on time74%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip8h 15mMDW 10:05 to SEA 16:20, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.