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

Denver → Billings via Salt Lake City: arrives on time 86%

  1. 06:00 DEN → 07:31 SLC
    F9 3219 · Frontier · 1h 31m · 83% on time, 1.0% cancelled
  2. 2h 09m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 09:40 SLC → 11:09 BIL
    DL 4038 · Delta, flown by SkyWest · 1h 29m · 96% on time, 0.4% cancelled

Total trip 5h 09m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection92%The first flight arrived more than 39 minutes late on 8% of the days it flew: too late for the 90-minute minimum connection on a 2h 09m layover.
Arrives on time86%First flight not cancelled (1.0% are) × connection made (92%) × second flight not cancelled (0.4% are) and within 15 minutes (96%).
Total trip5h 09mDEN 06:00 to BIL 11:09, 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.