Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Newark → San Francisco via Houston: arrives on time 75%
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15:40 EWR → 18:46 IAHUA 2815 · United · 4h 06m · 69% on time, 2.8% cancelled
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3h 13m layover in Houston (IAH) · 45 min minimum on one ticket
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21:59 IAH → 00:05 SFO +1 dayUA 1609 · United · 4h 06m · 80% on time, 1.2% cancelled
Total trip 11h 25m, scheduled departure to arrival (San Francisco is 3 h behind Newark). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 148 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 13m layover.
Arrives on time75%First flight not cancelled (2.8% are) × connection made (97%) × second flight not cancelled (1.2% are) and within 15 minutes (80%).
Total trip11h 25mEWR 15:40 to SFO 00:05, 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.