Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → St Louis via Denver: arrives on time 84%
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05:45 SAT → 07:00 DENWN 3565 · Southwest · 2h 15m · 100% on time, 0.0% cancelled
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2h 35m layover in Denver (DEN) · 90 min minimum on separate tickets
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09:35 DEN → 12:42 STLUA 652 · United · 2h 07m · 84% on time, 0.6% cancelled
Total trip 6h 57m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.
Makes the connection100%The first flight arrived more than 65 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 35m layover.
Arrives on time84%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.6% are) and within 15 minutes (84%).
Total trip6h 57mSAT 05:45 to STL 12:42, 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.