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

Portland → Bozeman via Seattle: arrives on time 69%

  1. 17:50 PDX → 19:05 SEA
    DL 3918 · Delta, flown by SkyWest · 1h 15m · 86% on time, 0.3% cancelled
  2. 54m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 19:59 SEA → 22:48 BZN
    DL 4039 · Delta, flown by SkyWest · 1h 49m · 84% on time, 0.5% cancelled

Total trip 3h 58m, scheduled departure to arrival (Bozeman is 1 h ahead of Portland). Times are local. Both flew on 56 of the last 56 days.

Makes the connection82%The first flight arrived more than 9 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time69%First flight not cancelled (0.3% are) × connection made (82%) × second flight not cancelled (0.5% are) and within 15 minutes (84%).
Total trip3h 58mPDX 17:50 to BZN 22:48, 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.