Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Newark via Las Vegas: arrives on time 87%
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05:00 SFO → 06:35 LASWN 4231 · Southwest · 1h 35m · 90% on time, 0.0% cancelled
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3h 21m layover in Las Vegas (LAS) · 90 min minimum on separate tickets
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09:56 LAS → 18:00 EWRUA 1784 · United · 5h 04m · 87% on time, 0.0% cancelled
Total trip 10h 00m, scheduled departure to arrival (Newark is 3 h ahead of San Francisco). Times are local. Both flew on 39 of the last 56 days.
Makes the connection100%The first flight arrived more than 111 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 21m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip10h 00mSFO 05:00 to EWR 18:00, 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.