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

Sacramento → Denver via Chicago: arrives on time 36%

  1. 15:05 SMF → 21:35 ORD
    AA 2627 · American · 4h 30m · 67% on time, 1.6% cancelled
  2. 59m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 22:34 ORD → 00:17 DEN +1 day
    AA 1387 · American · 2h 42m · 57% on time, 3.4% cancelled

Total trip 8h 11m, scheduled departure to arrival (Denver is 1 h ahead of Sacramento). Times are local. Both flew on 48 of the last 56 days.

Makes the connection67%The first flight arrived more than 14 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time36%First flight not cancelled (1.6% are) × connection made (67%) × second flight not cancelled (3.4% are) and within 15 minutes (57%).
Total trip8h 11mSMF 15:05 to DEN 00:17, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.