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

Boston → Los Angeles via Denver: arrives on time 84%

  1. 09:40 BOS → 12:12 DEN
    UA 662 · United · 4h 32m · 91% on time, 0.7% cancelled
  2. 1h 14m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 13:26 DEN → 14:57 LAX
    UA 774 · United · 2h 31m · 91% on time, 0.0% cancelled

Total trip 8h 17m, scheduled departure to arrival (Los Angeles is 3 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection94%The first flight arrived more than 29 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time84%First flight not cancelled (0.7% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip8h 17mBOS 09:40 to LAX 14:57, 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.