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

San Francisco → Chicago via Portland: arrives on time 83%

  1. 18:46 SFO → 20:31 PDX
    AS 525 · Alaska · 1h 45m · 83% on time, 0.3% cancelled
  2. 2h 28m layover in Portland (PDX) · 45 min minimum on one ticket
  3. 22:59 PDX → 05:00 ORD +1 day
    AS 376 · Alaska · 4h 01m · 87% on time, 2.7% cancelled

Total trip 8h 14m, scheduled departure to arrival (Chicago is 2 h ahead of San Francisco). Times are local. Both flew on 51 of the last 56 days.

Makes the connection99%The first flight arrived more than 103 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 28m layover.
Arrives on time83%First flight not cancelled (0.3% are) × connection made (99%) × second flight not cancelled (2.7% are) and within 15 minutes (87%).
Total trip8h 14mSFO 18:46 to ORD 05:00, 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.