Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Sacramento via San Francisco: arrives on time 78%
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05:22 IAH → 07:22 SFOUA 487 · United · 4h 00m · 97% on time, 0.3% cancelled
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55m layover in San Francisco (SFO) · 45 min minimum on one ticket
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08:17 SFO → 09:25 SMFUA 5220 · United, flown by SkyWest · 1h 08m · 83% on time, 2.5% cancelled
Total trip 6h 03m, scheduled departure to arrival (Sacramento is 2 h behind Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 10 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time78%First flight not cancelled (0.3% are) × connection made (96%) × second flight not cancelled (2.5% are) and within 15 minutes (83%).
Total trip6h 03mIAH 05:22 to SMF 09:25, 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.