Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Newark via Houston: arrives on time 47%
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11:58 SAN → 17:25 IAHUA 2237 · United · 3h 27m · 79% on time, 0.3% cancelled
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53m layover in Houston (IAH) · 45 min minimum on one ticket
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18:18 IAH → 23:00 EWRUA 404 · United · 3h 42m · 66% on time, 2.7% cancelled
Total trip 8h 02m, scheduled departure to arrival (Newark is 3 h ahead of San Diego). Times are local. Both flew on 55 of the last 56 days.
Makes the connection72%The first flight arrived more than 8 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time47%First flight not cancelled (0.3% are) × connection made (72%) × second flight not cancelled (2.7% are) and within 15 minutes (66%).
Total trip8h 02mSAN 11:58 to EWR 23:00, 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.