Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Jose → Chicago via Phoenix: arrives on time 5%
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16:05 SJC → 18:00 PHXWN 3266 · Southwest · 1h 55m · 48% on time, 2.4% cancelled
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1h 15m layover in Phoenix (PHX) · 45 min minimum on one ticket
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19:15 PHX → 00:35 MDW +1 dayWN 2521 · Southwest · 3h 20m · 8% on time, 2.0% cancelled
Total trip 6h 30m, scheduled departure to arrival (Chicago is 2 h ahead of San Jose). Times are local. Both flew on 31 of the last 56 days.
Makes the connection65%The first flight arrived more than 30 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time5%First flight not cancelled (2.4% are) × connection made (65%) × second flight not cancelled (2.0% are) and within 15 minutes (8%).
Total trip6h 30mSJC 16:05 to MDW 00:35, 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.