Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dallas → San Francisco via Denver: arrives on time 7%
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19:10 DAL → 20:30 DENWN 1304 · Southwest · 2h 20m · 58% on time, 0.0% cancelled
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1h 10m layover in Denver (DEN) · 45 min minimum on one ticket
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21:40 DEN → 23:25 SFOWN 4303 · Southwest · 2h 45m · 10% on time, 0.0% cancelled
Total trip 6h 15m, scheduled departure to arrival (San Francisco is 2 h behind Dallas). Times are local. Both flew on 39 of the last 56 days.
Makes the connection67%The first flight arrived more than 25 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time7%First flight not cancelled (0.0% are) × connection made (67%) × second flight not cancelled (0.0% are) and within 15 minutes (10%).
Total trip6h 15mDAL 19:10 to SFO 23:25, 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.