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

Dulles → Miami via Atlanta: arrives on time 55%

  1. 17:51 IAD → 19:54 ATL
    DL 1695 · Delta · 2h 08m · 74% on time, 2.0% cancelled
  2. 1h 43m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:37 ATL → 23:39 MIA
    DL 1234 · Delta · 2h 02m · 65% on time, 0.7% cancelled

Total trip 5h 48m, scheduled departure to arrival. Times are local. Both flew on 18 of the last 56 days, too few to list among the best connections.

Makes the connection87%The first flight arrived more than 58 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 43m layover.
Arrives on time55%First flight not cancelled (2.0% are) × connection made (87%) × second flight not cancelled (0.7% are) and within 15 minutes (65%).
Total trip5h 48mIAD 17:51 to MIA 23:39, 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.