Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dulles via Denver: arrives on time 85%
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18:56 SFO → 22:44 DENUA 2436 · United · 2h 48m · 88% on time, 0.0% cancelled
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1h 15m layover in Denver (DEN) · 45 min minimum on one ticket
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23:59 DEN → 05:27 IAD +1 dayUA 1924 · United · 3h 28m · 94% on time, 0.6% cancelled
Total trip 7h 31m, scheduled departure to arrival (Dulles is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection91%The first flight arrived more than 30 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (0.6% are) and within 15 minutes (94%).
Total trip7h 31mSFO 18:56 to IAD 05:27, 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.