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

Washington → Chicago via Atlanta: arrives on time 71%

  1. 10:16 DCA → 12:08 ATL
    DL 926 · Delta · 1h 52m · 87% on time, 4.4% cancelled
  2. 3h 07m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 15:15 ATL → 16:15 MDW
    DL 1728 · Delta · 2h 00m · 77% on time, 2.1% cancelled

Total trip 6h 59m, scheduled departure to arrival (Chicago is 1 h behind Washington). Times are local. Both flew on 43 of the last 56 days.

Makes the connection99%The first flight arrived more than 142 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 07m layover.
Arrives on time71%First flight not cancelled (4.4% are) × connection made (99%) × second flight not cancelled (2.1% are) and within 15 minutes (77%).
Total trip6h 59mDCA 10:16 to MDW 16:15, 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.