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

Kansas City → St Louis via Denver: arrives on time 85%

  1. 11:33 MCI → 12:38 DEN
    UA 5358 · United, flown by SkyWest · 2h 05m · 94% on time, 0.0% cancelled
  2. 3h 32m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 16:10 DEN → 19:23 STL
    F9 3302 · Frontier · 2h 12m · 85% on time, 0.3% cancelled

Total trip 7h 49m, scheduled departure to arrival. Times are local. Both flew on 32 of the last 56 days.

Makes the connection100%The first flight arrived more than 122 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 32m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (85%).
Total trip7h 49mMCI 11:33 to STL 19:23, 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.