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

Dulles → Jacksonville via Atlanta: arrives on time 45%

  1. 15:02 IAD → 16:54 ATL
    DL 2135 · Delta · 1h 52m · 73% on time, 0.0% cancelled
  2. 59m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 17:53 ATL → 19:13 JAX
    DL 2189 · Delta · 1h 20m · 64% on time, 2.2% cancelled

Total trip 4h 11m, scheduled departure to arrival. Times are local. Both flew on 49 of the last 56 days.

Makes the connection72%The first flight arrived more than 14 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time45%First flight not cancelled (0.0% are) × connection made (72%) × second flight not cancelled (2.2% are) and within 15 minutes (64%).
Total trip4h 11mIAD 15:02 to JAX 19:13, 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.