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

Idaho Falls → Denver via Salt Lake City: arrives on time 76%

  1. 11:25 IDA → 12:31 SLC
    DL 3944 · Delta, flown by SkyWest · 1h 06m · 95% on time, 0.0% cancelled
  2. 3h 10m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 15:41 SLC → 17:21 DEN
    F9 3982 · Frontier · 1h 40m · 78% on time, 0.8% cancelled

Total trip 5h 56m, scheduled departure to arrival. Times are local. Both flew on 52 of the last 56 days.

Makes the connection99%The first flight arrived more than 100 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 10m layover.
Arrives on time76%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.8% are) and within 15 minutes (78%).
Total trip5h 56mIDA 11:25 to DEN 17:21, 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.