Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Houston via San Francisco: arrives on time 85%
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06:00 ONT → 07:25 SFOUA 2363 · United · 1h 25m · 91% on time, 1.0% cancelled
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1h 30m layover in San Francisco (SFO) · 45 min minimum on one ticket
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08:55 SFO → 15:07 IAHUA 2498 · United · 4h 12m · 89% on time, 0.0% cancelled
Total trip 7h 07m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 37 of the last 56 days.
Makes the connection96%The first flight arrived more than 45 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 30m layover.
Arrives on time85%First flight not cancelled (1.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip7h 07mONT 06:00 to IAH 15:07, 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.