Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Ontario via Denver: arrives on time 88%
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05:10 SFO → 08:40 DENWN 1424 · Southwest · 2h 30m · 96% on time, 0.0% cancelled
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2h 45m layover in Denver (DEN) · 90 min minimum on separate tickets
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11:25 DEN → 12:47 ONTUA 430 · United · 2h 22m · 88% on time, 0.0% cancelled
Total trip 7h 37m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.
Makes the connection100%The first flight arrived more than 75 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 45m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip7h 37mSFO 05:10 to ONT 12:47, 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.