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

Denver → Nashville via Boston: arrives on time 8%

  1. 13:20 DEN → 19:10 BOS
    WN 735 · Southwest · 3h 50m · 38% on time, 0.0% cancelled
  2. 50m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 20:00 BOS → 21:45 BNA
    WN 2338 · Southwest · 2h 45m · 30% on time, 0.0% cancelled

Total trip 7h 25m, scheduled departure to arrival (Nashville is 1 h ahead of Denver). Times are local. Both flew on 48 of the last 56 days.

Makes the connection28%The first flight arrived more than 5 minutes late on 72% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time8%First flight not cancelled (0.0% are) × connection made (28%) × second flight not cancelled (0.0% are) and within 15 minutes (30%).
Total trip7h 25mDEN 13:20 to BNA 21:45, 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.