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

Boston → Las Vegas via Denver: arrives on time 83%

  1. 06:25 BOS → 08:50 DEN
    WN 4156 · Southwest · 4h 25m · 88% on time, 0.0% cancelled
  2. 2h 10m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 11:00 DEN → 11:55 LAS
    WN 1561 · Southwest · 1h 55m · 83% on time, 0.0% cancelled

Total trip 8h 30m, scheduled departure to arrival (Las Vegas is 3 h behind Boston). Times are local. Both flew on 40 of the last 56 days.

Makes the connection100%The first flight arrived more than 85 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 10m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip8h 30mBOS 06:25 to LAS 11:55, 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.