Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Aspen via Denver: arrives on time 46%
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14:20 SFO → 18:11 DENUA 1596 · United · 2h 51m · 71% on time, 0.0% cancelled
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59m layover in Denver (DEN) · 45 min minimum on one ticket
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19:10 DEN → 20:11 ASEUA 5779 · United, flown by SkyWest · 1h 01m · 68% on time, 3.6% cancelled
Total trip 4h 51m, scheduled departure to arrival (Aspen is 1 h ahead of San Francisco). Times are local. Both flew on 55 of the last 56 days.
Makes the connection70%The first flight arrived more than 14 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time46%First flight not cancelled (0.0% are) × connection made (70%) × second flight not cancelled (3.6% are) and within 15 minutes (68%).
Total trip4h 51mSFO 14:20 to ASE 20:11, 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.