tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Seattle → Salt Lake City via Denver: arrives on time 54%

  1. 15:19 SEA → 19:18 DEN
    F9 3406 · Frontier · 2h 59m · 78% on time, 1.4% cancelled
  2. 58m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 20:16 DEN → 21:59 SLC
    F9 4251 · Frontier · 1h 39m · 71% on time, 0.0% cancelled

Total trip 5h 36m, scheduled departure to arrival (Salt Lake City is 1 h ahead of Seattle). Times are local. Both flew on 55 of the last 56 days.

Makes the connection76%The first flight arrived more than 13 minutes late on 24% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time54%First flight not cancelled (1.4% are) × connection made (76%) × second flight not cancelled (0.0% are) and within 15 minutes (71%).
Total trip5h 36mSEA 15:19 to SLC 21:59, 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.