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

Dulles → Columbus via Detroit: arrives on time 52%

  1. 17:29 IAD → 19:07 DTW
    DL 1787 · Delta · 1h 38m · 76% on time, 3.8% cancelled
  2. 47m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 19:54 DTW → 21:04 CMH
    DL 5838 · Delta, flown by Republic · 1h 10m · 82% on time, 0.7% cancelled

Total trip 3h 35m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection66%The first flight arrived more than 2 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time52%First flight not cancelled (3.8% are) × connection made (66%) × second flight not cancelled (0.7% are) and within 15 minutes (82%).
Total trip3h 35mIAD 17:29 to CMH 21:04, 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.