Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Aspen via Denver: arrives on time 71%
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05:10 SFO → 08:40 DENWN 1424 · Southwest · 2h 30m · 96% on time, 0.0% cancelled
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2h 38m layover in Denver (DEN) · 90 min minimum on separate tickets
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11:18 DEN → 12:26 ASEUA 5769 · United, flown by SkyWest · 1h 08m · 74% on time, 3.3% cancelled
Total trip 6h 16m, scheduled departure to arrival (Aspen is 1 h ahead of San Francisco). Times are local. Both flew on 47 of the last 56 days.
Makes the connection99%The first flight arrived more than 68 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 2h 38m layover.
Arrives on time71%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (3.3% are) and within 15 minutes (74%).
Total trip6h 16mSFO 05:10 to ASE 12:26, 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.