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

San Juan → Chicago via Atlanta: arrives on time 68%

  1. 06:00 SJU → 09:50 ATL
    DL 1879 · Delta · 3h 50m · 96% on time, 1.6% cancelled
  2. 1h 32m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:22 ATL → 12:36 ORD
    DL 2894 · Delta · 2h 14m · 70% on time, 1.2% cancelled

Total trip 7h 36m, scheduled departure to arrival (Chicago is 1 h behind San Juan). Times are local. Both flew on 40 of the last 56 days.

Makes the connection99%The first flight arrived more than 47 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 32m layover.
Arrives on time68%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (1.2% are) and within 15 minutes (70%).
Total trip7h 36mSJU 06:00 to ORD 12:36, 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.