Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dallas via Las Vegas: arrives on time 59%
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05:00 SFO → 06:35 LASWN 4231 · Southwest · 1h 35m · 90% on time, 0.0% cancelled
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1h 15m layover in Las Vegas (LAS) · 45 min minimum on one ticket
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07:50 LAS → 12:40 DALWN 1317 · Southwest · 2h 50m · 64% on time, 3.8% cancelled
Total trip 5h 40m, scheduled departure to arrival (Dallas is 2 h ahead of San Francisco). Times are local. Both flew on 24 of the last 56 days.
Makes the connection95%The first flight arrived more than 30 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time59%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (3.8% are) and within 15 minutes (64%).
Total trip5h 40mSFO 05:00 to DAL 12:40, 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.