Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Dallas via Atlanta: arrives on time 14%
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16:25 STL → 19:00 ATLWN 3882 · Southwest · 1h 35m · 45% on time, 2.0% cancelled
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50m layover in Atlanta (ATL) · 45 min minimum on one ticket
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19:50 ATL → 21:00 DALWN 196 · Southwest · 2h 10m · 47% on time, 2.9% cancelled
Total trip 4h 35m, scheduled departure to arrival. Times are local. Both flew on 36 of the last 56 days.
Makes the connection32%The first flight arrived more than 5 minutes late on 68% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time14%First flight not cancelled (2.0% are) × connection made (32%) × second flight not cancelled (2.9% are) and within 15 minutes (47%).
Total trip4h 35mSTL 16:25 to DAL 21:00, 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.