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

Sacramento → Chicago via San Francisco: arrives on time 80%

  1. 06:00 SMF → 06:54 SFO
    UA 1954 · United · 54m · 93% on time, 0.0% cancelled
  2. 1h 21m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 08:15 SFO → 14:50 ORD
    UA 1568 · United · 4h 35m · 85% on time, 0.5% cancelled

Total trip 6h 50m, scheduled departure to arrival (Chicago is 2 h ahead of Sacramento). Times are local. Both flew on 56 of the last 56 days.

Makes the connection95%The first flight arrived more than 36 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 21m layover.
Arrives on time80%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (0.5% are) and within 15 minutes (85%).
Total trip6h 50mSMF 06:00 to ORD 14:50, 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.