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

Boston → Dallas via Denver: arrives on time 69%

  1. 06:25 BOS → 08:50 DEN
    WN 4156 · Southwest · 4h 25m · 88% on time, 0.0% cancelled
  2. 1h 15m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 10:05 DEN → 13:10 DAL
    WN 1518 · Southwest · 2h 05m · 75% on time, 1.8% cancelled

Total trip 7h 45m, scheduled departure to arrival (Dallas is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection95%The first flight arrived more than 30 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (1.8% are) and within 15 minutes (75%).
Total trip7h 45mBOS 06:25 to DAL 13:10, 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.