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

Dulles → Austin via Atlanta: arrives on time 63%

08:27 IAD → 10:17 ATL

DL 3080 · Delta · 1h 48m · 83% on time, 1.5% cancelled
48m layover in Atlanta (ATL) · 45 min minimum on one ticket
11:05 ATL → 12:25 AUS

DL 2011 · Delta · 2h 21m · 88% on time, 1.1% cancelled

Total trip 4h 59m, scheduled departure to arrival (Austin is 1 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection73%The first flight arrived more than 3 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.

Arrives on time63%First flight not cancelled (1.5% are) × connection made (73%) × second flight not cancelled (1.1% are) and within 15 minutes (88%).

Total trip4h 59mIAD 08:27 to AUS 12:25, 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.