Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Seattle → Kansas City via Denver: arrives on time 86%

  1. 07:50 SEA → 11:25 DEN
    WN 3397 · Southwest · 2h 35m · 93% on time, 0.0% cancelled
  2. 2h 15m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 13:40 DEN → 16:22 MCI
    UA 586 · United · 1h 42m · 88% on time, 0.3% cancelled

Total trip 6h 32m, scheduled departure to arrival (Kansas City is 2 h ahead of Seattle). Times are local. Both flew on 39 of the last 56 days.

Makes the connection98%The first flight arrived more than 45 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 15m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.3% are) and within 15 minutes (88%).
Total trip6h 32mSEA 07:50 to MCI 16:22, 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.