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

Seattle → Houston via Tampa: arrives on time 90%

  1. 21:18 SEA → 05:48 TPA
    AS 639 · Alaska · 5h 30m · 84% on time, 0.0% cancelled
  2. 3h 27m layover in Tampa (TPA) · 90 min minimum on separate tickets
  3. 09:15 TPA → 10:42 IAH +1 day
    UA 2319 · United · 2h 27m · 91% on time, 0.0% cancelled

Total trip 11h 24m, scheduled departure to arrival (Houston is 2 h ahead of Seattle). Times are local. Both flew on 37 of the last 56 days.

Makes the connection99%The first flight arrived more than 117 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 27m layover.
Arrives on time90%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip11h 24mSEA 21:18 to IAH 10:42, 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.