Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Chicago via Dallas: arrives on time 8%
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17:00 MIA → 19:00 DALWN 1374 · Southwest · 3h 00m · 54% on time, 0.0% cancelled
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50m layover in Dallas (DAL) · 45 min minimum on one ticket
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19:50 DAL → 22:00 MDWWN 107 · Southwest · 2h 15m · 36% on time, 0.0% cancelled
Total trip 6h 05m, scheduled departure to arrival (Chicago is 1 h behind Miami). Times are local. Both flew on 24 of the last 56 days.
Makes the connection23%The first flight arrived more than 5 minutes late on 77% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time8%First flight not cancelled (0.0% are) × connection made (23%) × second flight not cancelled (0.0% are) and within 15 minutes (36%).
Total trip6h 05mMIA 17:00 to MDW 22:00, 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.