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

Boston → Houston via Seattle: arrives on time 30%

  1. 19:44 BOS → 23:07 SEA
    AS 1337 · Alaska · 6h 23m · 53% on time, 2.3% cancelled
  2. 50m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 23:57 SEA → 06:20 IAH +1 day
    AS 398 · Alaska · 4h 23m · 82% on time, 0.8% cancelled

Total trip 11h 36m, scheduled departure to arrival (Houston is 1 h behind Boston). Times are local. Both flew on 44 of the last 56 days.

Makes the connection37%The first flight arrived more than 5 minutes late on 63% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time30%First flight not cancelled (2.3% are) × connection made (37%) × second flight not cancelled (0.8% are) and within 15 minutes (82%).
Total trip11h 36mBOS 19:44 to IAH 06:20, 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.