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

Des Moines → Washington via Detroit: arrives on time 41%

  1. 17:34 DSM → 20:27 DTW
    DL 5305 · Delta, flown by Endeavor · 1h 53m · 63% on time, 1.8% cancelled
  2. 57m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 21:24 DTW → 22:59 DCA
    DL 2073 · Delta · 1h 35m · 70% on time, 2.5% cancelled

Total trip 4h 25m, scheduled departure to arrival (Washington is 1 h ahead of Des Moines). Times are local. Both flew on 48 of the last 56 days.

Makes the connection61%The first flight arrived more than 12 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time41%First flight not cancelled (1.8% are) × connection made (61%) × second flight not cancelled (2.5% are) and within 15 minutes (70%).
Total trip4h 25mDSM 17:34 to DCA 22:59, 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.