Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Chicago → Rochester via Atlanta: arrives on time 71%

  1. 09:07 ORD → 12:22 ATL
    UA 530 · United · 2h 15m · 82% on time, 1.6% cancelled
  2. 2h 53m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 15:15 ATL → 17:23 ROC
    DL 2047 · Delta · 2h 08m · 76% on time, 1.6% cancelled

Total trip 7h 16m, scheduled departure to arrival (Rochester is 1 h ahead of Chicago). Times are local. Both flew on 48 of the last 56 days.

Makes the connection97%The first flight arrived more than 83 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 53m layover.
Arrives on time71%First flight not cancelled (1.6% are) × connection made (97%) × second flight not cancelled (1.6% are) and within 15 minutes (76%).
Total trip7h 16mORD 09:07 to ROC 17:23, 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.