Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → San Francisco via San Diego: arrives on time 72%
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09:30 IAH → 10:51 SANUA 2491 · United · 3h 21m · 86% on time, 0.3% cancelled
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2h 39m layover in San Diego (SAN) · 90 min minimum on separate tickets
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13:30 SAN → 15:14 SFOAS 3352 · Alaska, flown by SkyWest · 1h 44m · 74% on time, 1.0% cancelled
Total trip 7h 44m, scheduled departure to arrival (San Francisco is 2 h behind Houston). Times are local. Both flew on 54 of the last 56 days.
Makes the connection98%The first flight arrived more than 69 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 39m layover.
Arrives on time72%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (1.0% are) and within 15 minutes (74%).
Total trip7h 44mIAH 09:30 to SFO 15:14, 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.