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

San Francisco → Houston via Seattle: arrives on time 90%

  1. 06:03 SFO → 08:13 SEA
    AS 620 · Alaska · 2h 10m · 90% on time, 0.0% cancelled
  2. 3h 42m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 11:55 SEA → 18:35 IAH
    UA 2293 · United · 4h 40m · 90% on time, 0.0% cancelled

Total trip 10h 32m, scheduled departure to arrival (Houston is 2 h ahead of San Francisco). Times are local. Both flew on 50 of the last 56 days.

Makes the connection100%The first flight arrived more than 132 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 42m layover.
Arrives on time90%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip10h 32mSFO 06:03 to IAH 18:35, 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.