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

Dulles → Harrisburg via Atlanta: arrives on time 67%

  1. 17:51 IAD → 19:54 ATL
    DL 1695 · Delta · 2h 08m · 74% on time, 2.0% cancelled
  2. 2h 05m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:59 ATL → 23:55 MDT
    DL 1283 · Delta · 1h 56m · 78% on time, 3.4% cancelled

Total trip 6h 04m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection91%The first flight arrived more than 80 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 2h 05m layover.
Arrives on time67%First flight not cancelled (2.0% are) × connection made (91%) × second flight not cancelled (3.4% are) and within 15 minutes (78%).
Total trip6h 04mIAD 17:51 to MDT 23:55, 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.