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

San Francisco → Chicago via Seattle: arrives on time 75%

  1. 20:28 SFO → 22:41 SEA
    AS 591 · Alaska · 2h 13m · 72% on time, 0.9% cancelled
  2. 1h 36m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 00:17 SEA → 06:20 ORD +1 day
    AS 328 · Alaska · 4h 03m · 83% on time, 0.9% cancelled

Total trip 7h 52m, scheduled departure to arrival (Chicago is 2 h ahead of San Francisco). Times are local. Both flew on 50 of the last 56 days.

Makes the connection92%The first flight arrived more than 51 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 36m layover.
Arrives on time75%First flight not cancelled (0.9% are) × connection made (92%) × second flight not cancelled (0.9% are) and within 15 minutes (83%).
Total trip7h 52mSFO 20:28 to ORD 06:20, 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.