Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Dallas via Houston: arrives on time 40%
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18:30 SAT → 19:35 HOUWN 3573 · Southwest · 1h 05m · 60% on time, 0.0% cancelled
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55m layover in Houston (HOU) · 45 min minimum on one ticket
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20:30 HOU → 21:40 DALWN 54 · Southwest · 1h 10m · 72% on time, 2.4% cancelled
Total trip 3h 10m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.
Makes the connection57%The first flight arrived more than 10 minutes late on 43% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time40%First flight not cancelled (0.0% are) × connection made (57%) × second flight not cancelled (2.4% are) and within 15 minutes (72%).
Total trip3h 10mSAT 18:30 to DAL 21:40, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.