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

Dallas-Fort Worth → Harrisburg via Dulles: arrives on time 62%

  1. 17:15 DFW → 21:24 IAD
    UA 1240 · United · 3h 09m · 79% on time, 1.2% cancelled
  2. 1h 02m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 22:26 IAD → 23:30 MDT
    UA 4964 · United, flown by CommuteAir · 1h 04m · 81% on time, 3.7% cancelled

Total trip 5h 15m, scheduled departure to arrival (Harrisburg is 1 h ahead of Dallas-Fort Worth). Times are local. Both flew on 54 of the last 56 days.

Makes the connection80%The first flight arrived more than 17 minutes late on 20% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time62%First flight not cancelled (1.2% are) × connection made (80%) × second flight not cancelled (3.7% are) and within 15 minutes (81%).
Total trip5h 15mDFW 17:15 to MDT 23:30, 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.