Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Phoenix via Austin: arrives on time 11%
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12:50 SFO → 18:20 AUSWN 3633 · Southwest · 3h 30m · 12% on time, 0.0% cancelled
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1h 15m layover in Austin (AUS) · 45 min minimum on one ticket
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19:35 AUS → 20:00 PHXWN 4426 · Southwest · 2h 25m · 46% on time, 0.0% cancelled
Total trip 7h 10m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection24%The first flight arrived more than 30 minutes late on 76% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time11%First flight not cancelled (0.0% are) × connection made (24%) × second flight not cancelled (0.0% are) and within 15 minutes (46%).
Total trip7h 10mSFO 12:50 to PHX 20:00, 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.