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

Chicago → San Francisco via Denver: arrives on time 27%

  1. 18:17 ORD → 20:22 DEN
    UA 1974 · United · 3h 05m · 58% on time, 3.3% cancelled
  2. 48m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 21:10 DEN → 22:56 SFO
    UA 2123 · United · 2h 46m · 60% on time, 0.0% cancelled

Total trip 6h 39m, scheduled departure to arrival (San Francisco is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.

Makes the connection47%The first flight arrived more than 3 minutes late on 53% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time27%First flight not cancelled (3.3% are) × connection made (47%) × second flight not cancelled (0.0% are) and within 15 minutes (60%).
Total trip6h 39mORD 18:17 to SFO 22:56, 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.