Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Sacramento via Chicago: arrives on time 31%
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17:42 IAD → 18:50 ORDUA 2497 · United · 2h 08m · 48% on time, 1.1% cancelled
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1h 03m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:53 ORD → 22:37 SMFUA 1828 · United · 4h 44m · 62% on time, 3.8% cancelled
Total trip 7h 55m, scheduled departure to arrival (Sacramento is 3 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.
Makes the connection53%The first flight arrived more than 18 minutes late on 47% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time31%First flight not cancelled (1.1% are) × connection made (53%) × second flight not cancelled (3.8% are) and within 15 minutes (62%).
Total trip7h 55mIAD 17:42 to SMF 22:37, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.