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

Portland → Billings via Salt Lake City: arrives on time 79%

  1. 14:30 PDX → 17:29 SLC
    AS 3120 · Alaska, flown by SkyWest · 1h 59m · 96% on time, 0.0% cancelled
  2. 3h 56m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 21:25 SLC → 22:50 BIL
    DL 1340 · Delta · 1h 24m · 80% on time, 0.3% cancelled

Total trip 7h 19m, scheduled departure to arrival (Billings is 1 h ahead of Portland). Times are local. Both flew on 52 of the last 56 days.

Makes the connection98%The first flight arrived more than 146 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 56m layover.
Arrives on time79%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.3% are) and within 15 minutes (80%).
Total trip7h 19mPDX 14:30 to BIL 22:50, 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.