Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Francisco via Newark: arrives on time 63%
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07:10 ORD → 10:30 EWRUA 563 · United · 2h 20m · 91% on time, 1.1% cancelled
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1h 20m layover in Newark (EWR) · 45 min minimum on one ticket
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11:50 EWR → 15:01 SFOUA 1343 · United · 6h 11m · 68% on time, 1.9% cancelled
Total trip 9h 51m, scheduled departure to arrival (San Francisco is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection95%The first flight arrived more than 35 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time63%First flight not cancelled (1.1% are) × connection made (95%) × second flight not cancelled (1.9% are) and within 15 minutes (68%).
Total trip9h 51mORD 07:10 to SFO 15:01, 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.