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

Salt Lake City → Billings via Seattle: arrives on time 85%

  1. 17:20 SLC → 18:36 SEA
    DL 871 · Delta · 2h 16m · 82% on time, 0.6% cancelled
  2. 2h 23m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 20:59 SEA → 23:51 BIL
    AS 2457 · Alaska, flown by Horizon · 1h 52m · 92% on time, 1.0% cancelled

Total trip 6h 31m, scheduled departure to arrival. Times are local. Both flew on 51 of the last 56 days.

Makes the connection94%The first flight arrived more than 53 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 2h 23m layover.
Arrives on time85%First flight not cancelled (0.6% are) × connection made (94%) × second flight not cancelled (1.0% are) and within 15 minutes (92%).
Total trip6h 31mSLC 17:20 to BIL 23:51, 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.