Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Pittsburgh via Atlanta: arrives on time 80%
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07:30 IAD → 09:44 ATLF9 4707 · Frontier · 2h 14m · 71% on time, 0.9% cancelled
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3h 26m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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13:10 ATL → 14:50 PITWN 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.