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

Jacksonville → Dulles via Atlanta: arrives on time 72%

  1. 13:05 JAX → 14:20 ATL
    DL 2923 · Delta · 1h 15m · 85% on time, 1.9% cancelled
  2. 4h 55m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 19:15 ATL → 21:03 IAD
    DL 1309 · Delta · 1h 49m · 76% on time, 2.5% cancelled

Total trip 7h 59m, scheduled departure to arrival. Times are local. Both flew on 45 of the last 56 days.

Makes the connection99%The first flight arrived more than 250 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 55m layover.
Arrives on time72%First flight not cancelled (1.9% are) × connection made (99%) × second flight not cancelled (2.5% are) and within 15 minutes (76%).
Total trip7h 59mJAX 13:05 to IAD 21:03, 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.