Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dallas via San Diego: arrives on time 22%
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08:55 SFO → 10:35 SANWN 4239 · Southwest · 1h 40m · 70% on time, 4.8% cancelled
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3h 20m layover in San Diego (SAN) · 45 min minimum on one ticket
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13:55 SAN → 19:02 DALWN 4097 · Southwest · 3h 08m · 23% on time, 0.0% cancelled
Total trip 8h 08m, 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 connection100%The first flight arrived more than 155 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 20m layover.
Arrives on time22%First flight not cancelled (4.8% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (23%).
Total trip8h 08mSFO 08:55 to DAL 19:02, 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.