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

Dulles → Miami via Atlanta: arrives on time 61%

  1. 15:02 IAD → 16:54 ATL
    DL 2135 · Delta · 1h 52m · 73% on time, 0.0% cancelled
  2. 3h 22m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:16 ATL → 22:17 MIA
    DL 1588 · Delta · 2h 01m · 66% on time, 1.1% cancelled

Total trip 7h 15m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection93%The first flight arrived more than 157 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 3h 22m layover.
Arrives on time61%First flight not cancelled (0.0% are) × connection made (93%) × second flight not cancelled (1.1% are) and within 15 minutes (66%).
Total trip7h 15mIAD 15:02 to MIA 22:17, 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.