Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Rapid City → Phoenix via Denver: arrives on time 83%

  1. 05:00 RAP → 06:37 DEN
    UA 5576 · United, flown by SkyWest · 1h 37m · 89% on time, 0.3% cancelled
  2. 2h 03m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 08:40 DEN → 09:35 PHX
    WN 431 · Southwest · 1h 55m · 89% on time, 0.0% cancelled

Total trip 5h 35m, scheduled departure to arrival (Phoenix is 1 h behind Rapid City). Times are local. Both flew on 34 of the last 56 days.

Makes the connection93%The first flight arrived more than 33 minutes late on 7% of the days it flew: too late for the 90-minute minimum connection on a 2h 03m layover.
Arrives on time83%First flight not cancelled (0.3% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip5h 35mRAP 05:00 to PHX 09:35, 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.