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

Chattanooga → Washington via Atlanta: arrives on time 41%

19:22 CHA → 20:24 ATL

DL 3579 · Delta, flown by SkyWest · 1h 02m · 51% on time, 6.2% cancelled
1h 31m layover in Atlanta (ATL) · 45 min minimum on one ticket
21:55 ATL → 23:44 DCA

DL 537 · Delta · 1h 49m · 70% on time, 2.7% cancelled

Total trip 4h 22m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection65%The first flight arrived more than 46 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 1h 31m layover.

Arrives on time41%First flight not cancelled (6.2% are) × connection made (65%) × second flight not cancelled (2.7% are) and within 15 minutes (70%).

Total trip4h 22mCHA 19:22 to DCA 23:44, 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.