Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Dulles via Indianapolis: arrives on time 50%
-
19:30 DEN → 12:32 INDWN 1211 · Southwest · 2h 32m · 37% on time, 2.0% cancelled
-
2h 16m layover in Indianapolis (IND) · 90 min minimum on separate tickets
-
14:48 IND → 16:32 IADUA 3530 · United, flown by Republic · 1h 44m · 84% on time, 1.7% cancelled
Total trip -298m, scheduled departure to arrival (Dulles is 2 h ahead of Denver). Times are local. Both flew on 48 of the last 56 days.
Makes the connection62%The first flight arrived more than 46 minutes late on 38% of the days it flew: too late for the 90-minute minimum connection on a 2h 16m layover.
Arrives on time50%First flight not cancelled (2.0% are) × connection made (62%) × second flight not cancelled (1.7% are) and within 15 minutes (84%).
Total trip-298mDEN 19:30 to IAD 16:32, 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.