Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Sacramento via San Francisco: arrives on time 69%
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12:40 IAD → 15:27 SFOUA 1434 · United · 5h 47m · 79% on time, 0.3% cancelled
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1h 41m layover in San Francisco (SFO) · 45 min minimum on one ticket
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17:08 SFO → 18:16 SMFUA 5796 · United, flown by SkyWest · 1h 08m · 78% on time, 3.1% cancelled
Total trip 8h 36m, scheduled departure to arrival (Sacramento is 3 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.
Makes the connection91%The first flight arrived more than 56 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 41m layover.
Arrives on time69%First flight not cancelled (0.3% are) × connection made (91%) × second flight not cancelled (3.1% are) and within 15 minutes (78%).
Total trip8h 36mIAD 12:40 to SMF 18:16, 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.