Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Tucson → San Francisco via Houston: arrives on time 78%
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06:37 TUS → 11:13 IAHUA 4042 · United, flown by Mesa · 2h 36m · 95% on time, 0.0% cancelled
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1h 45m layover in Houston (IAH) · 45 min minimum on one ticket
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12:58 IAH → 15:03 SFOUA 2611 · United · 4h 05m · 78% on time, 0.0% cancelled
Total trip 8h 26m, 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 connection100%The first flight arrived more than 60 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 1h 45m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (78%).
Total trip8h 26mTUS 06:37 to SFO 15:03, 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.