Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → San Diego via Phoenix: arrives on time 20%
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18:45 SFO → 21:00 PHXWN 3651 · Southwest · 2h 15m · 41% on time, 0.0% cancelled
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55m layover in Phoenix (PHX) · 45 min minimum on one ticket
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21:55 PHX → 23:05 SANWN 3426 · Southwest · 1h 12m · 55% on time, 0.0% cancelled
Total trip 4h 22m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection37%The first flight arrived more than 10 minutes late on 63% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time20%First flight not cancelled (0.0% are) × connection made (37%) × second flight not cancelled (0.0% are) and within 15 minutes (55%).
Total trip4h 22mSFO 18:45 to SAN 23:05, 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.