Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Houston via San Francisco: arrives on time 21%
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21:15 LAS → 22:57 SFOUA 2615 · United · 1h 42m · 23% on time, 0.0% cancelled
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1h 02m layover in San Francisco (SFO) · 45 min minimum on one ticket
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23:59 SFO → 06:04 IAH +1 dayUA 505 · United · 4h 05m · 82% on time, 0.3% cancelled
Total trip 6h 49m, scheduled departure to arrival (Houston is 2 h ahead of Las Vegas). Times are local. Both flew on 40 of the last 56 days.
Makes the connection25%The first flight arrived more than 17 minutes late on 75% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time21%First flight not cancelled (0.0% are) × connection made (25%) × second flight not cancelled (0.3% are) and within 15 minutes (82%).
Total trip6h 49mLAS 21:15 to IAH 06:04, 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.