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

Atlanta → Chicago via Dulles: arrives on time 78%

  1. 09:25 ATL → 11:15 IAD
    UA 632 · United · 1h 50m · 89% on time, 1.7% cancelled
  2. 2h 00m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 13:15 IAD → 14:29 ORD
    UA 2331 · United · 2h 14m · 81% on time, 0.8% cancelled

Total trip 6h 04m, scheduled departure to arrival (Chicago is 1 h behind Atlanta). Times are local. Both flew on 30 of the last 56 days.

Makes the connection98%The first flight arrived more than 75 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 00m layover.
Arrives on time78%First flight not cancelled (1.7% are) × connection made (98%) × second flight not cancelled (0.8% are) and within 15 minutes (81%).
Total trip6h 04mATL 09:25 to ORD 14:29, 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.