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

Dulles → St Louis via Detroit: arrives on time 77%

  1. 11:10 IAD → 12:44 DTW
    DL 2884 · Delta · 1h 34m · 90% on time, 0.0% cancelled
  2. 3h 57m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 16:41 DTW → 17:23 STL
    DL 2822 · Delta · 1h 42m · 79% on time, 1.8% cancelled

Total trip 7h 13m, scheduled departure to arrival (St Louis is 1 h behind Dulles). Times are local. Both flew on 48 of the last 56 days.

Makes the connection100%The first flight arrived more than 192 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 57m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.8% are) and within 15 minutes (79%).
Total trip7h 13mIAD 11:10 to STL 17:23, 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.