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

San Juan → Dulles via Atlanta: arrives on time 64%

  1. 17:56 SJU → 21:54 ATL
    DL 1946 · Delta · 3h 59m · 88% on time, 0.5% cancelled
  2. 59m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:53 ATL → 00:44 IAD +1 day
    DL 2549 · Delta · 1h 51m · 75% on time, 2.1% cancelled

Total trip 6h 48m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection87%The first flight arrived more than 14 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time64%First flight not cancelled (0.5% are) × connection made (87%) × second flight not cancelled (2.1% are) and within 15 minutes (75%).
Total trip6h 48mSJU 17:56 to IAD 00:44, 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.