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

Denver → Billings via Seattle: arrives on time 60%

  1. 12:55 DEN → 14:53 SEA
    AS 381 · Alaska · 2h 58m · 77% on time, 0.0% cancelled
  2. 56m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 15:49 SEA → 18:42 BIL
    AS 2353 · Alaska, flown by Horizon · 1h 53m · 83% on time, 0.9% cancelled

Total trip 5h 47m, scheduled departure to arrival. Times are local. Both flew on 52 of the last 56 days.

Makes the connection72%The first flight arrived more than 11 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time60%First flight not cancelled (0.0% are) × connection made (72%) × second flight not cancelled (0.9% are) and within 15 minutes (83%).
Total trip5h 47mDEN 12:55 to BIL 18:42, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.