Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Aspen via Denver: arrives on time 72%
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12:43 SFO → 16:35 DENUA 540 · United · 2h 52m · 77% on time, 0.0% cancelled
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3h 50m layover in Denver (DEN) · 45 min minimum on one ticket
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20:25 DEN → 21:26 ASEUA 5781 · United, flown by SkyWest · 1h 01m · 78% on time, 6.0% cancelled
Total trip 7h 43m, scheduled departure to arrival (Aspen is 1 h ahead of San Francisco). Times are local. Both flew on 48 of the last 56 days.
Makes the connection99%The first flight arrived more than 185 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 50m layover.
Arrives on time72%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (6.0% are) and within 15 minutes (78%).
Total trip7h 43mSFO 12:43 to ASE 21:26, 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.