Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Tucson via San Francisco: arrives on time 44%
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18:20 LAS → 20:02 SFOUA 1603 · United · 1h 42m · 66% on time, 0.0% cancelled
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55m layover in San Francisco (SFO) · 45 min minimum on one ticket
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20:57 SFO → 23:26 TUSUA 5688 · United, flown by SkyWest · 2h 29m · 77% on time, 0.3% cancelled
Total trip 5h 06m, scheduled departure to arrival. Times are local. Both flew on 52 of the last 56 days.
Makes the connection58%The first flight arrived more than 10 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time44%First flight not cancelled (0.0% are) × connection made (58%) × second flight not cancelled (0.3% are) and within 15 minutes (77%).
Total trip5h 06mLAS 18:20 to TUS 23:26, 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.