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

Chicago → Harrisburg via Atlanta: arrives on time 69%

  1. 05:30 ORD → 08:33 ATL
    DL 1264 · Delta · 2h 03m · 91% on time, 1.6% cancelled
  2. 46m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:19 ATL → 11:11 MDT
    DL 1248 · Delta · 1h 52m · 88% on time, 2.0% cancelled

Total trip 4h 41m, scheduled departure to arrival (Harrisburg is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection82%The first flight arrived more than 1 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time69%First flight not cancelled (1.6% are) × connection made (82%) × second flight not cancelled (2.0% are) and within 15 minutes (88%).
Total trip4h 41mORD 05:30 to MDT 11:11, 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.