Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Salt Lake City via San Francisco: arrives on time 78%
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12:40 IAD → 15:27 SFOUA 1434 · United · 5h 47m · 79% on time, 0.3% cancelled
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3h 01m layover in San Francisco (SFO) · 45 min minimum on one ticket
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18:28 SFO → 21:32 SLCUA 5590 · United, flown by SkyWest · 1h 55m · 81% on time, 0.0% cancelled
Total trip 10h 43m, scheduled departure to arrival (Salt Lake City is 2 h behind Dulles). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection97%The first flight arrived more than 136 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 01m layover.
Arrives on time78%First flight not cancelled (0.3% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip10h 43mIAD 12:40 to SLC 21:32, 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.