Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Tucson via San Francisco: arrives on time 80%
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06:00 LAS → 07:35 SFOUA 643 · United · 1h 35m · 98% on time, 0.5% cancelled
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50m layover in San Francisco (SFO) · 45 min minimum on one ticket
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08:25 SFO → 10:45 TUSUA 5433 · United, flown by SkyWest · 2h 17m · 84% on time, 0.0% cancelled
Total trip 4h 42m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection96%The first flight arrived more than 5 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time80%First flight not cancelled (0.5% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (84%).
Total trip4h 42mLAS 06:00 to TUS 10:45, 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.