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

Raleigh/Durham → Dulles via Atlanta: arrives on time 80%

  1. 05:20 RDU → 06:44 ATL
    DL 1552 · Delta · 1h 24m · 95% on time, 2.8% cancelled
  2. 59m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 07:43 ATL → 09:26 IAD
    DL 1324 · Delta · 1h 45m · 90% on time, 4.1% cancelled

Total trip 4h 08m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.

Makes the connection95%The first flight arrived more than 14 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time80%First flight not cancelled (2.8% are) × connection made (95%) × second flight not cancelled (4.1% are) and within 15 minutes (90%).
Total trip4h 08mRDU 05:20 to IAD 09:26, 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.