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

Billings → Seattle via Denver: arrives on time 71%

  1. 07:00 BIL → 08:50 DEN
    UA 557 · United · 1h 50m · 92% on time, 2.7% cancelled
  2. 3h 10m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 12:00 DEN → 14:01 SEA
    F9 1175 · Frontier · 3h 04m · 81% on time, 2.2% cancelled

Total trip 8h 04m, scheduled departure to arrival (Seattle is 1 h behind Billings). Times are local. Both flew on 37 of the last 56 days.

Makes the connection92%The first flight arrived more than 100 minutes late on 8% of the days it flew: too late for the 90-minute minimum connection on a 3h 10m layover.
Arrives on time71%First flight not cancelled (2.7% are) × connection made (92%) × second flight not cancelled (2.2% are) and within 15 minutes (81%).
Total trip8h 04mBIL 07:00 to SEA 14:01, 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.