Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Newark → San Francisco via Houston: arrives on time 55%
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17:54 EWR → 20:55 IAHUA 2782 · United · 4h 01m · 69% on time, 2.8% cancelled
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1h 04m 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 9h 11m, 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 connection71%The first flight arrived more than 19 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time55%First flight not cancelled (2.8% are) × connection made (71%) × second flight not cancelled (1.2% are) and within 15 minutes (80%).
Total trip9h 11mEWR 17:54 to SFO 00:05, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.