Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Raleigh/Durham via Detroit: arrives on time 91%
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21:30 SFO → 05:20 DTWUA 234 · United · 4h 50m · 100% on time, 0.0% cancelled
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1h 45m layover in Detroit (DTW) · 90 min minimum on separate tickets
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07:05 DTW → 08:48 RDU +1 dayDL 1427 · Delta · 1h 43m · 94% on time, 2.9% cancelled
Total trip 8h 18m, scheduled departure to arrival (Raleigh/Durham is 3 h ahead of San Francisco). Times are local. Both flew on 24 of the last 56 days.
Makes the connection100%The first flight arrived more than 15 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 1h 45m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (2.9% are) and within 15 minutes (94%).
Total trip8h 18mSFO 21:30 to RDU 08:48, 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.