Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → St Louis via Detroit: arrives on time 78%
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06:10 PHL → 07:50 DTWDL 1540 · Delta · 1h 40m · 91% on time, 2.5% cancelled
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1h 00m layover in Detroit (DTW) · 45 min minimum on one ticket
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08:50 DTW → 09:32 STLDL 2868 · Delta · 1h 42m · 88% on time, 0.4% cancelled
Total trip 4h 22m, scheduled departure to arrival (St Louis is 1 h behind Philadelphia). Times are local. Both flew on 56 of the last 56 days.
Makes the connection91%The first flight arrived more than 15 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time78%First flight not cancelled (2.5% are) × connection made (91%) × second flight not cancelled (0.4% are) and within 15 minutes (88%).
Total trip4h 22mPHL 06:10 to STL 09:32, 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.