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

Washington → Des Moines via Atlanta: arrives on time 57%

  1. 13:42 DCA → 15:42 ATL
    DL 737 · Delta · 2h 00m · 77% on time, 1.9% cancelled
  2. 55m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:37 ATL → 17:52 DSM
    DL 2086 · Delta · 2h 10m · 82% on time, 2.4% cancelled

Total trip 5h 05m, scheduled departure to arrival (Des Moines is 1 h behind Washington). Times are local. Both flew on 51 of the last 56 days.

Makes the connection73%The first flight arrived more than 10 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time57%First flight not cancelled (1.9% are) × connection made (73%) × second flight not cancelled (2.4% are) and within 15 minutes (82%).
Total trip5h 05mDCA 13:42 to DSM 17:52, 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.