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

Los Angeles → Denver via San Francisco: arrives on time 25%

  1. 18:45 LAX → 20:10 SFO
    UA 2681 · United · 1h 25m · 38% on time, 0.0% cancelled
  2. 50m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 21:00 SFO → 00:47 DEN +1 day
    UA 301 · United · 2h 47m · 86% on time, 0.5% cancelled

Total trip 5h 02m, scheduled departure to arrival (Denver is 1 h ahead of Los Angeles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection29%The first flight arrived more than 5 minutes late on 71% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time25%First flight not cancelled (0.0% are) × connection made (29%) × second flight not cancelled (0.5% are) and within 15 minutes (86%).
Total trip5h 02mLAX 18:45 to DEN 00:47, 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.