Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Sacramento → Dulles via Denver: arrives on time 68%
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10:50 SMF → 14:17 DENUA 1023 · United · 2h 27m · 93% on time, 1.4% cancelled
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1h 23m layover in Denver (DEN) · 45 min minimum on one ticket
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15:40 DEN → 21:11 IADUA 421 · United · 3h 31m · 71% on time, 0.0% cancelled
Total trip 7h 21m, scheduled departure to arrival (Dulles is 3 h ahead of Sacramento). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 38 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time68%First flight not cancelled (1.4% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (71%).
Total trip7h 21mSMF 10:50 to IAD 21:11, 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.