Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Raleigh/Durham via Dulles: arrives on time 57%
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13:15 SFO → 21:25 IADUA 1791 · United · 5h 10m · 76% on time, 0.0% cancelled
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1h 00m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:25 IAD → 23:44 RDUUA 2382 · United · 1h 19m · 76% on time, 1.4% cancelled
Total trip 7h 29m, scheduled departure to arrival (Raleigh/Durham is 3 h ahead of San Francisco). Times are local. Both flew on 54 of the last 56 days.
Makes the connection76%The first flight arrived more than 15 minutes late on 24% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time57%First flight not cancelled (0.0% are) × connection made (76%) × second flight not cancelled (1.4% are) and within 15 minutes (76%).
Total trip7h 29mSFO 13:15 to RDU 23:44, 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.