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

Dallas-Fort Worth → Billings via Seattle: arrives on time 82%

  1. 16:15 DFW → 18:35 SEA
    DL 408 · Delta · 4h 20m · 79% on time, 0.0% cancelled
  2. 2h 24m 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 8h 36m, scheduled departure to arrival (Billings is 1 h behind Dallas-Fort Worth). Times are local. Both flew on 24 of the last 56 days.

Makes the connection91%The first flight arrived more than 54 minutes late on 9% of the days it flew: too late for the 90-minute minimum connection on a 2h 24m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (1.0% are) and within 15 minutes (92%).
Total trip8h 36mDFW 16:15 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.