Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Houston via San Francisco: arrives on time 88%
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06:00 LAS → 07:35 SFOUA 643 · United · 1h 35m · 98% on time, 0.5% cancelled
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1h 20m layover in San Francisco (SFO) · 45 min minimum on one ticket
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08:55 SFO → 15:07 IAHUA 2498 · United · 4h 12m · 89% on time, 0.0% cancelled
Total trip 7h 07m, scheduled departure to arrival (Houston is 2 h ahead of Las Vegas). Times are local. Both flew on 36 of the last 56 days.
Makes the connection99%The first flight arrived more than 35 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time88%First flight not cancelled (0.5% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip7h 07mLAS 06:00 to IAH 15:07, 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.