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

Boston → Denver via Dallas: arrives on time 16%

  1. 17:45 BOS → 20:55 DAL
    WN 737 · Southwest · 4h 10m · 39% on time, 3.4% cancelled
  2. 50m layover in Dallas (DAL) · 45 min minimum on one ticket
  3. 21:45 DAL → 22:55 DEN
    WN 1305 · Southwest · 2h 15m · 62% on time, 0.0% cancelled

Total trip 7h 15m, scheduled departure to arrival (Denver is 2 h behind Boston). Times are local. Both flew on 32 of the last 56 days.

Makes the connection27%The first flight arrived more than 5 minutes late on 73% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time16%First flight not cancelled (3.4% are) × connection made (27%) × second flight not cancelled (0.0% are) and within 15 minutes (62%).
Total trip7h 15mBOS 17:45 to DEN 22:55, 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.