Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Cleveland via Boston: arrives on time 87%
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21:25 SFO → 06:21 BOSUA 796 · United · 5h 56m · 87% on time, 0.5% cancelled
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2h 04m layover in Boston (BOS) · 90 min minimum on separate tickets
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08:25 BOS → 10:35 CLE +1 dayDL 5674 · Delta, flown by Republic · 2h 11m · 94% on time, 1.0% cancelled
Total trip 10h 11m, scheduled departure to arrival (Cleveland is 3 h ahead of San Francisco). Times are local. Both flew on 34 of the last 56 days.
Makes the connection94%The first flight arrived more than 34 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 2h 04m layover.
Arrives on time87%First flight not cancelled (0.5% are) × connection made (94%) × second flight not cancelled (1.0% are) and within 15 minutes (94%).
Total trip10h 11mSFO 21:25 to CLE 10:35, 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.