Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dallas via San Diego: arrives on time 24%
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12:30 SFO → 14:10 SANWN 3525 · Southwest · 1h 40m · 45% on time, 8.8% cancelled
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1h 05m layover in San Diego (SAN) · 45 min minimum on one ticket
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15:15 SAN → 20:22 DALWN 3582 · Southwest · 3h 08m · 51% on time, 0.0% cancelled
Total trip 5h 53m, scheduled departure to arrival (Dallas is 2 h ahead of San Francisco). Times are local. Both flew on 24 of the last 56 days.
Makes the connection52%The first flight arrived more than 20 minutes late on 48% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time24%First flight not cancelled (8.8% are) × connection made (52%) × second flight not cancelled (0.0% are) and within 15 minutes (51%).
Total trip5h 53mSFO 12:30 to DAL 20:22, 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.