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

San Juan → Dallas-Fort Worth via Atlanta: arrives on time 67%

  1. 17:56 SJU → 21:54 ATL
    DL 1946 · Delta · 3h 59m · 88% on time, 0.5% cancelled
  2. 1h 00m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:54 ATL → 00:19 DFW +1 day
    DL 818 · Delta · 2h 19m · 80% on time, 3.9% cancelled

Total trip 7h 17m, scheduled departure to arrival (Dallas-Fort Worth is 1 h behind San Juan). Times are local. Both flew on 56 of the last 56 days.

Makes the connection88%The first flight arrived more than 15 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time67%First flight not cancelled (0.5% are) × connection made (88%) × second flight not cancelled (3.9% are) and within 15 minutes (80%).
Total trip7h 17mSJU 17:56 to DFW 00:19, 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.