Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Newark → Houston via San Francisco: arrives on time 38%
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07:00 EWR → 09:59 SFOUA 1960 · United · 5h 59m · 72% on time, 4.8% cancelled
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51m layover in San Francisco (SFO) · 45 min minimum on one ticket
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10:50 SFO → 16:52 IAHUA 1259 · United · 4h 02m · 61% on time, 0.0% cancelled
Total trip 10h 52m, scheduled departure to arrival (Houston is 1 h behind Newark). Times are local. Both flew on 56 of the last 56 days.
Makes the connection66%The first flight arrived more than 6 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time38%First flight not cancelled (4.8% are) × connection made (66%) × second flight not cancelled (0.0% are) and within 15 minutes (61%).
Total trip10h 52mEWR 07:00 to IAH 16:52, 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.