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

Chicago → Billings via Seattle: arrives on time 85%

  1. 15:43 ORD → 18:22 SEA
    AS 407 · Alaska · 4h 39m · 68% on time, 1.4% cancelled
  2. 2h 37m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 20:59 SEA → 23:51 BIL
    AS 2457 · Alaska, flown by Horizon · 1h 52m · 92% on time, 1.0% cancelled

Total trip 9h 08m, scheduled departure to arrival (Billings is 1 h behind Chicago). Times are local. Both flew on 51 of the last 56 days.

Makes the connection95%The first flight arrived more than 112 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 37m layover.
Arrives on time85%First flight not cancelled (1.4% are) × connection made (95%) × second flight not cancelled (1.0% are) and within 15 minutes (92%).
Total trip9h 08mORD 15:43 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.