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

Dulles → San Juan via Chicago: arrives on time 79%

  1. 10:31 IAD → 11:53 ORD
    UA 1252 · United · 2h 22m · 92% on time, 0.8% cancelled
  2. 2h 45m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 14:38 ORD → 20:34 SJU
    UA 695 · United · 4h 56m · 80% on time, 0.3% cancelled

Total trip 10h 03m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection100%The first flight arrived more than 120 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 45m layover.
Arrives on time79%First flight not cancelled (0.8% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (80%).
Total trip10h 03mIAD 10:31 to SJU 20:34, 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.