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

Miami → San Diego via New York: arrives on time 59%

  1. 15:25 MIA → 18:54 JFK
    DL 1514 · Delta · 3h 29m · 73% on time, 4.5% cancelled
  2. 1h 35m layover in New York (JFK) · 45 min minimum on one ticket
  3. 20:29 JFK → 23:39 SAN
    DL 685 · Delta · 6h 10m · 75% on time, 2.3% cancelled

Total trip 11h 14m, scheduled departure to arrival (San Diego is 3 h behind Miami). Times are local. Both flew on 56 of the last 56 days.

Makes the connection85%The first flight arrived more than 50 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time59%First flight not cancelled (4.5% are) × connection made (85%) × second flight not cancelled (2.3% are) and within 15 minutes (75%).
Total trip11h 14mMIA 15:25 to SAN 23:39, 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.