Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dallas-Fort Worth → St Louis via Denver: arrives on time 94%
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05:18 DFW → 06:31 DENF9 2147 · Frontier · 2h 13m · 90% on time, 0.9% cancelled
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3h 34m layover in Denver (DEN) · 90 min minimum on separate tickets
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10:05 DEN → 13:20 STLWN 1753 · Southwest · 2h 15m · 96% on time, 0.0% cancelled
Total trip 8h 02m, scheduled departure to arrival. Times are local. Both flew on 39 of the last 56 days.
Makes the connection99%The first flight arrived more than 124 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 34m layover.
Arrives on time94%First flight not cancelled (0.9% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip8h 02mDFW 05:18 to STL 13:20, 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.