Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Raleigh/Durham → San Francisco via Detroit: arrives on time 70%
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05:33 RDU → 07:18 DTWDL 1388 · Delta · 1h 45m · 93% on time, 1.1% cancelled
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1h 12m layover in Detroit (DTW) · 45 min minimum on one ticket
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08:30 DTW → 10:29 SFODL 361 · Delta · 4h 57m · 75% on time, 0.8% cancelled
Total trip 7h 54m, scheduled departure to arrival (San Francisco is 3 h behind Raleigh/Durham). Times are local. Both flew on 56 of the last 56 days.
Makes the connection95%The first flight arrived more than 27 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time70%First flight not cancelled (1.1% are) × connection made (95%) × second flight not cancelled (0.8% are) and within 15 minutes (75%).
Total trip7h 54mRDU 05:33 to SFO 10:29, 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.