Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Newark via Chicago: arrives on time 42%
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12:00 SFO → 18:35 ORDUA 2317 · United · 4h 35m · 50% on time, 2.8% cancelled
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1h 32m layover in Chicago (ORD) · 45 min minimum on one ticket
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20:07 ORD → 23:39 EWRUA 759 · United · 2h 32m · 65% on time, 5.3% cancelled
Total trip 8h 39m, scheduled departure to arrival (Newark is 3 h ahead of San Francisco). Times are local. Both flew on 55 of the last 56 days.
Makes the connection71%The first flight arrived more than 47 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 1h 32m layover.
Arrives on time42%First flight not cancelled (2.8% are) × connection made (71%) × second flight not cancelled (5.3% are) and within 15 minutes (65%).
Total trip8h 39mSFO 12:00 to EWR 23:39, 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.