Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Chicago via Dallas: arrives on time 79%
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07:00 HOU → 08:10 DALWN 4 · Southwest · 1h 10m · 94% on time, 1.4% cancelled
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1h 55m layover in Dallas (DAL) · 45 min minimum on one ticket
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10:05 DAL → 12:20 MDWWN 1357 · Southwest · 2h 15m · 85% on time, 4.8% cancelled
Total trip 5h 20m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection99%The first flight arrived more than 70 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 55m layover.
Arrives on time79%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (4.8% are) and within 15 minutes (85%).
Total trip5h 20mHOU 07:00 to MDW 12:20, 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.