Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → San Francisco via Chicago: arrives on time 12%
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06:25 HOU → 08:50 MDWWN 2039 · Southwest · 2h 25m · 92% on time, 0.0% cancelled
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1h 15m layover in Chicago (MDW) · 45 min minimum on one ticket
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10:05 MDW → 12:35 SFOWN 1546 · Southwest · 4h 30m · 12% on time, 0.0% cancelled
Total trip 8h 10m, scheduled departure to arrival (San Francisco is 2 h behind Houston). Times are local. Both flew on 24 of the last 56 days.
Makes the connection100%The first flight arrived more than 30 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time12%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (12%).
Total trip8h 10mHOU 06:25 to SFO 12:35, 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.