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

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

  1. 09:45 PDX → 12:35 SLC
    DL 1203 · Delta · 1h 51m · 92% on time, 3.2% cancelled
  2. 3h 58m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 16:33 SLC → 18:00 BIL
    DL 3828 · Delta, flown by SkyWest · 1h 27m · 89% on time, 0.3% cancelled

Total trip 7h 15m, scheduled departure to arrival (Billings is 1 h ahead of Portland). Times are local. Both flew on 55 of the last 56 days.

Makes the connection100%The first flight arrived more than 193 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 58m layover.
Arrives on time86%First flight not cancelled (3.2% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (89%).
Total trip7h 15mPDX 09:45 to BIL 18:00, 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.