Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Chicago via Las Vegas: arrives on time 13%
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17:20 SAT → 18:10 LASWN 3576 · Southwest · 2h 50m · 36% on time, 0.0% cancelled
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1h 10m layover in Las Vegas (LAS) · 45 min minimum on one ticket
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19:20 LAS → 01:30 MDW +1 dayWN 3200 · Southwest · 3h 35m · 28% on time, 0.0% cancelled
Total trip 7h 35m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.
Makes the connection48%The first flight arrived more than 25 minutes late on 52% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time13%First flight not cancelled (0.0% are) × connection made (48%) × second flight not cancelled (0.0% are) and within 15 minutes (28%).
Total trip7h 35mSAT 17:20 to MDW 01:30, 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.