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

Atlanta → Harrisburg via Dulles: arrives on time 80%

  1. 09:25 ATL → 11:15 IAD
    UA 632 · United · 1h 50m · 89% on time, 1.7% cancelled
  2. 1h 30m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 12:45 IAD → 13:50 MDT
    UA 4372 · United, flown by CommuteAir · 1h 05m · 85% on time, 0.8% cancelled

Total trip 4h 25m, scheduled departure to arrival. Times are local. Both flew on 30 of the last 56 days.

Makes the connection97%The first flight arrived more than 45 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 30m layover.
Arrives on time80%First flight not cancelled (1.7% are) × connection made (97%) × second flight not cancelled (0.8% are) and within 15 minutes (85%).
Total trip4h 25mATL 09:25 to MDT 13:50, 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.