Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Tucson → Houston via San Francisco: arrives on time 65%
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15:28 TUS → 17:50 SFOUA 5583 · United, flown by SkyWest · 2h 22m · 76% on time, 0.3% cancelled
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1h 04m layover in San Francisco (SFO) · 45 min minimum on one ticket
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18:54 SFO → 00:59 IAH +1 dayUA 1702 · United · 4h 05m · 83% on time, 0.0% cancelled
Total trip 7h 31m, scheduled departure to arrival (Houston is 2 h ahead of Tucson). Times are local. Both flew on 43 of the last 56 days.
Makes the connection79%The first flight arrived more than 19 minutes late on 21% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time65%First flight not cancelled (0.3% are) × connection made (79%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip7h 31mTUS 15:28 to IAH 00:59, 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.