Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Tucson via Denver: arrives on time 86%
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05:10 SFO → 08:40 DENWN 1424 · Southwest · 2h 30m · 96% on time, 0.0% cancelled
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2h 50m layover in Denver (DEN) · 90 min minimum on separate tickets
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11:30 DEN → 12:32 TUSUA 1188 · United · 2h 02m · 86% on time, 0.0% cancelled
Total trip 7h 22m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.
Makes the connection100%The first flight arrived more than 80 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 50m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip7h 22mSFO 05:10 to TUS 12:32, 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.