Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Dulles → Pittsburgh via Atlanta: arrives on time 80%

  1. 07:30 IAD → 09:44 ATL
    F9 4707 · Frontier · 2h 14m · 71% on time, 0.9% cancelled
  2. 3h 26m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 13:10 ATL → 14:50 PIT
    WN 236 · Southwest · 1h 40m · 85% on time, 0.0% cancelled

Total trip 7h 20m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.

Makes the connection96%The first flight arrived more than 116 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 26m layover.
Arrives on time80%First flight not cancelled (0.9% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip7h 20mIAD 07:30 to PIT 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.