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

Kansas City → San Diego via San Francisco: arrives on time 14%

  1. 19:59 MCI → 21:50 SFO
    UA 1429 · United · 3h 51m · 24% on time, 1.4% cancelled
  2. 52m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 22:42 SFO → 00:31 SAN +1 day
    UA 2142 · United · 1h 49m · 73% on time, 0.0% cancelled

Total trip 6h 32m, scheduled departure to arrival (San Diego is 2 h behind Kansas City). Times are local. Both flew on 43 of the last 56 days.

Makes the connection19%The first flight arrived more than 7 minutes late on 81% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time14%First flight not cancelled (1.4% are) × connection made (19%) × second flight not cancelled (0.0% are) and within 15 minutes (73%).
Total trip6h 32mMCI 19:59 to SAN 00:31, 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.