Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Portland via Las Vegas: arrives on time 41%
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16:55 MDW → 18:45 LASWN 2797 · Southwest · 3h 50m · 54% 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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19:55 LAS → 22:10 PDXWN 2307 · Southwest · 2h 15m · 69% on time, 0.0% cancelled
Total trip 7h 15m, scheduled departure to arrival (Portland is 2 h behind Chicago). Times are local. Both flew on 40 of the last 56 days.
Makes the connection60%The first flight arrived more than 25 minutes late on 40% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time41%First flight not cancelled (0.0% are) × connection made (60%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip7h 15mMDW 16:55 to PDX 22:10, 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.