Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Austin via Salt Lake City: arrives on time 63%
-
07:15 IAD → 09:52 SLCDL 432 · Delta · 4h 37m · 85% on time, 1.6% cancelled
-
53m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
-
10:45 SLC → 14:50 AUSDL 3955 · Delta, flown by SkyWest · 3h 05m · 83% on time, 1.9% cancelled
Total trip 8h 35m, scheduled departure to arrival (Austin is 1 h behind Dulles). Times are local. Both flew on 48 of the last 56 days.
Makes the connection79%The first flight arrived more than 8 minutes late on 21% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time63%First flight not cancelled (1.6% are) × connection made (79%) × second flight not cancelled (1.9% are) and within 15 minutes (83%).
Total trip8h 35mIAD 07:15 to AUS 14:50, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.