Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Portland via Dulles: arrives on time 55%
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14:41 ATL → 16:35 IADUA 1831 · United · 1h 54m · 78% on time, 0.8% cancelled
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55m layover in Dulles (IAD) · 45 min minimum on one ticket
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17:30 IAD → 19:27 PWMUA 3651 · United, flown by Republic · 1h 57m · 91% on time, 13.5% cancelled
Total trip 4h 46m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.
Makes the connection71%The first flight arrived more than 10 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time55%First flight not cancelled (0.8% are) × connection made (71%) × second flight not cancelled (13.5% are) and within 15 minutes (91%).
Total trip4h 46mATL 14:41 to PWM 19:27, 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.