Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Tucson via Denver: arrives on time 66%
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12:43 SFO → 16:35 DENUA 540 · United · 2h 52m · 77% on time, 0.0% cancelled
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2h 35m layover in Denver (DEN) · 45 min minimum on one ticket
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19:10 DEN → 20:12 TUSUA 1762 · United · 2h 02m · 69% on time, 0.0% cancelled
Total trip 7h 29m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection96%The first flight arrived more than 110 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 35m layover.
Arrives on time66%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip7h 29mSFO 12:43 to TUS 20:12, 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.