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

Boston → Kansas City via Denver: arrives on time 85%

  1. 07:45 BOS → 10:19 DEN
    DL 499 · Delta · 4h 34m · 85% on time, 1.6% cancelled
  2. 3h 21m 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 9h 37m, scheduled departure to arrival (Kansas City is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 111 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 21m layover.
Arrives on time85%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (0.3% are) and within 15 minutes (88%).
Total trip9h 37mBOS 07:45 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.