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

San Juan → Dulles via Atlanta: arrives on time 73%

  1. 12:54 SJU → 16:47 ATL
    DL 1757 · Delta · 3h 53m · 92% on time, 0.7% cancelled
  2. 2h 28m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 19:15 ATL → 21:03 IAD
    DL 1309 · Delta · 1h 49m · 76% on time, 2.5% cancelled

Total trip 8h 10m, scheduled departure to arrival. Times are local. Both flew on 45 of the last 56 days.

Makes the connection99%The first flight arrived more than 103 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 28m layover.
Arrives on time73%First flight not cancelled (0.7% are) × connection made (99%) × second flight not cancelled (2.5% are) and within 15 minutes (76%).
Total trip8h 10mSJU 12:54 to IAD 21:03, 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.