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

Seattle → Chicago via Houston: arrives on time 88%

  1. 23:49 SEA → 06:10 IAH
    UA 2379 · United · 4h 21m · 84% on time, 0.4% cancelled
  2. 1h 55m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 08:05 IAH → 11:01 ORD +1 day
    UA 1617 · United · 2h 56m · 92% on time, 0.7% cancelled

Total trip 9h 12m, scheduled departure to arrival (Chicago is 2 h ahead of Seattle). Times are local. Both flew on 38 of the last 56 days.

Makes the connection97%The first flight arrived more than 70 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 55m layover.
Arrives on time88%First flight not cancelled (0.4% are) × connection made (97%) × second flight not cancelled (0.7% are) and within 15 minutes (92%).
Total trip9h 12mSEA 23:49 to ORD 11:01, 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.