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

Boston → Denver via Los Angeles: arrives on time 43%

  1. 10:55 BOS → 14:07 LAX
    DL 2004 · Delta · 6h 12m · 89% on time, 1.2% cancelled
  2. 46m layover in Los Angeles (LAX) · 45 min minimum on one ticket
  3. 14:53 LAX → 18:18 DEN
    DL 2176 · Delta · 2h 28m · 65% on time, 0.0% cancelled

Total trip 9h 26m, scheduled departure to arrival (Denver is 2 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection67%The first flight arrived more than 1 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time43%First flight not cancelled (1.2% are) × connection made (67%) × second flight not cancelled (0.0% are) and within 15 minutes (65%).
Total trip9h 26mBOS 10:55 to DEN 18:18, 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.