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

Detroit → Dulles via Atlanta: arrives on time 73%

14:57 DTW → 17:05 ATL

DL 1983 · Delta · 2h 08m · 78% on time, 0.0% cancelled
2h 10m layover in Atlanta (ATL) · 45 min minimum on one ticket
19:15 ATL → 21:03 IAD

DL 1309 · Delta · 1h 49m · 76% on time, 2.5% cancelled

Total trip 6h 07m, scheduled departure to arrival. Times are local. Both flew on 45 of the last 56 days.

Makes the connection98%The first flight arrived more than 85 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 10m layover.

Arrives on time73%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (2.5% are) and within 15 minutes (76%).

Total trip6h 07mDTW 14:57 to IAD 21:03, 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.