Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → St Louis via Detroit: arrives on time 86%
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22:55 SFO → 06:30 DTWDL 335 · Delta · 4h 35m · 74% on time, 0.6% cancelled
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2h 20m layover in Detroit (DTW) · 45 min minimum on one ticket
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08:50 DTW → 09:32 STL +1 dayDL 2868 · Delta · 1h 42m · 88% on time, 0.4% cancelled
Total trip 8h 37m, scheduled departure to arrival (St Louis is 2 h ahead of San Francisco). Times are local. Both flew on 55 of the last 56 days.
Makes the connection98%The first flight arrived more than 95 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 20m layover.
Arrives on time86%First flight not cancelled (0.6% are) × connection made (98%) × second flight not cancelled (0.4% are) and within 15 minutes (88%).
Total trip8h 37mSFO 22:55 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.