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

Chattanooga → Detroit via Atlanta: arrives on time 47%

  1. 19:22 CHA → 20:24 ATL
    DL 3579 · Delta, flown by SkyWest · 1h 02m · 51% on time, 6.2% cancelled
  2. 1h 29m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:53 ATL → 23:57 DTW
    DL 651 · Delta · 2h 04m · 78% on time, 0.0% cancelled

Total trip 4h 35m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection64%The first flight arrived more than 44 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 29m layover.
Arrives on time47%First flight not cancelled (6.2% are) × connection made (64%) × second flight not cancelled (0.0% are) and within 15 minutes (78%).
Total trip4h 35mCHA 19:22 to DTW 23:57, 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.