Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Dallas via St Louis: arrives on time 60%
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10:05 DEN → 13:20 STLWN 1753 · Southwest · 2h 15m · 96% on time, 0.0% cancelled
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55m layover in St Louis (STL) · 45 min minimum on one ticket
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14:15 STL → 15:55 DALWN 1322 · Southwest · 1h 40m · 64% on time, 0.0% cancelled
Total trip 4h 50m, scheduled departure to arrival (Dallas is 1 h ahead of Denver). Times are local. Both flew on 24 of the last 56 days.
Makes the connection94%The first flight arrived more than 10 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time60%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (64%).
Total trip4h 50mDEN 10:05 to DAL 15:55, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.