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

Raleigh/Durham → San Francisco via Denver: arrives on time 58%

  1. 16:22 RDU → 18:25 DEN
    UA 2288 · United · 4h 03m · 81% on time, 0.3% cancelled
  2. 2h 45m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 21:10 DEN → 22:56 SFO
    UA 2123 · United · 2h 46m · 60% on time, 0.0% cancelled

Total trip 9h 34m, scheduled departure to arrival (San Francisco is 3 h behind Raleigh/Durham). Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 120 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 45m layover.
Arrives on time58%First flight not cancelled (0.3% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (60%).
Total trip9h 34mRDU 16:22 to SFO 22:56, 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.