Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Cleveland via Denver: arrives on time 7%
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14:35 SFO → 18:10 DENWN 3641 · Southwest · 2h 35m · 10% on time, 0.0% cancelled
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1h 20m layover in Denver (DEN) · 45 min minimum on one ticket
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19:30 DEN → 00:20 CLE +1 dayWN 2337 · Southwest · 2h 52m · 31% on time, 2.0% cancelled
Total trip 6h 47m, scheduled departure to arrival (Cleveland is 3 h ahead of San Francisco). Times are local. Both flew on 32 of the last 56 days.
Makes the connection24%The first flight arrived more than 35 minutes late on 76% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time7%First flight not cancelled (0.0% are) × connection made (24%) × second flight not cancelled (2.0% are) and within 15 minutes (31%).
Total trip6h 47mSFO 14:35 to CLE 00:20, 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.