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

Denver → Missoula via Salt Lake City: arrives on time 91%

  1. 06:00 DEN → 07:31 SLC
    F9 3219 · Frontier · 1h 31m · 83% on time, 1.0% cancelled
  2. 3h 22m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 10:53 SLC → 12:37 MSO
    DL 4112 · Delta, flown by SkyWest · 1h 44m · 96% on time, 2.8% cancelled

Total trip 6h 37m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 112 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 22m layover.
Arrives on time91%First flight not cancelled (1.0% are) × connection made (99%) × second flight not cancelled (2.8% are) and within 15 minutes (96%).
Total trip6h 37mDEN 06:00 to MSO 12:37, 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.