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

Dulles → Greenville via Atlanta: arrives on time 73%

  1. 12:37 IAD → 14:34 ATL
    DL 1444 · Delta · 1h 56m · 83% on time, 3.6% cancelled
  2. 3h 26m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 18:00 ATL → 19:06 GSP
    DL 1021 · Delta · 1h 06m · 79% on time, 1.5% cancelled

Total trip 6h 29m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 161 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 26m layover.
Arrives on time73%First flight not cancelled (3.6% are) × connection made (97%) × second flight not cancelled (1.5% are) and within 15 minutes (79%).
Total trip6h 29mIAD 12:37 to GSP 19:06, 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.