Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Denver via Seattle: arrives on time 95%
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22:59 SFO → 01:29 SEAUA 5579 · United, flown by SkyWest · 2h 30m · 72% on time, 0.7% cancelled
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3h 31m layover in Seattle (SEA) · 45 min minimum on one ticket
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05:00 SEA → 08:43 DEN +1 dayUA 2601 · United · 2h 43m · 96% on time, 0.7% cancelled
Total trip 8h 44m, scheduled departure to arrival (Denver is 1 h ahead of San Francisco). Times are local. Both flew on 26 of the last 56 days.
Makes the connection100%The first flight arrived more than 166 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 31m layover.
Arrives on time95%First flight not cancelled (0.7% are) × connection made (100%) × second flight not cancelled (0.7% are) and within 15 minutes (96%).
Total trip8h 44mSFO 22:59 to DEN 08:43, 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.