Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Denver → San Francisco via Seattle: arrives on time 59%

  1. 06:30 DEN → 08:31 SEA
    DL 1731 · Delta · 3h 01m · 91% on time, 1.4% cancelled
  2. 1h 14m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 09:45 SEA → 12:08 SFO
    DL 1412 · Delta · 2h 23m · 64% on time, 1.4% cancelled

Total trip 6h 38m, scheduled departure to arrival (San Francisco is 1 h behind Denver). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 29 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time59%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (1.4% are) and within 15 minutes (64%).
Total trip6h 38mDEN 06:30 to SFO 12:08, 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.