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

Dulles → Jacksonville via Atlanta: arrives on time 52%

  1. 12:37 IAD → 14:34 ATL
    DL 1444 · Delta · 1h 56m · 83% on time, 3.6% cancelled
  2. 46m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 15:20 ATL → 16:33 JAX
    DL 2720 · Delta · 1h 13m · 78% on time, 1.4% cancelled

Total trip 3h 56m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection71%The first flight arrived more than 1 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time52%First flight not cancelled (3.6% are) × connection made (71%) × second flight not cancelled (1.4% are) and within 15 minutes (78%).
Total trip3h 56mIAD 12:37 to JAX 16:33, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.