Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Salt Lake City → Seattle via San Francisco: arrives on time 44%
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16:21 SLC → 17:23 SFOUA 1955 · United · 2h 02m · 58% on time, 0.0% cancelled
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1h 05m layover in San Francisco (SFO) · 45 min minimum on one ticket
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18:28 SFO → 20:53 SEAUA 1577 · United · 2h 25m · 69% on time, 0.0% cancelled
Total trip 5h 32m, scheduled departure to arrival (Seattle is 1 h behind Salt Lake City). Times are local. Both flew on 51 of the last 56 days.
Makes the connection64%The first flight arrived more than 20 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time44%First flight not cancelled (0.0% are) × connection made (64%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip5h 32mSLC 16:21 to SEA 20:53, 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.