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

Boston → Los Angeles via Denver: arrives on time 90%

  1. 06:25 BOS → 08:50 DEN
    WN 4156 · Southwest · 4h 25m · 88% on time, 0.0% cancelled
  2. 3h 42m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 12:32 DEN → 14:09 LAX
    F9 2341 · Frontier · 2h 37m · 90% on time, 0.4% cancelled

Total trip 10h 44m, scheduled departure to arrival (Los Angeles is 3 h behind Boston). Times are local. Both flew on 30 of the last 56 days.

Makes the connection100%The first flight arrived more than 132 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 42m layover.
Arrives on time90%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.4% are) and within 15 minutes (90%).
Total trip10h 44mBOS 06:25 to LAX 14:09, 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.