Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Philadelphia via San Francisco: arrives on time 93%
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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 03m layover in San Francisco (SFO) · 45 min minimum on one ticket
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08:38 SFO → 17:17 PHLUA 2431 · United · 5h 39m · 94% on time, 0.0% cancelled
Total trip 8h 17m, scheduled departure to arrival (Philadelphia is 3 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 18 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time93%First flight not cancelled (0.5% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (94%).
Total trip8h 17mLAS 06:00 to PHL 17:17, 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.