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

Greenville → Washington via Atlanta: arrives on time 48%

  1. 19:48 GSP → 21:04 ATL
    DL 1021 · Delta · 1h 16m · 74% on time, 2.5% cancelled
  2. 51m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:55 ATL → 23:44 DCA
    DL 537 · Delta · 1h 49m · 70% on time, 2.7% cancelled

Total trip 3h 56m, scheduled departure to arrival. Times are local. Both flew on 28 of the last 56 days.

Makes the connection72%The first flight arrived more than 6 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time48%First flight not cancelled (2.5% are) × connection made (72%) × second flight not cancelled (2.7% are) and within 15 minutes (70%).
Total trip3h 56mGSP 19:48 to DCA 23:44, 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.