Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Portland via Chicago: arrives on time 82%
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07:25 ATL → 08:35 ORDDL 1178 · Delta · 2h 10m · 88% on time, 2.4% cancelled
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2h 25m layover in Chicago (ORD) · 90 min minimum on separate tickets
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11:00 ORD → 14:31 PWMUA 2804 · United · 2h 31m · 86% on time, 0.0% cancelled
Total trip 7h 06m, scheduled departure to arrival. Times are local. Both flew on 42 of the last 56 days.
Makes the connection97%The first flight arrived more than 55 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 25m layover.
Arrives on time82%First flight not cancelled (2.4% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip7h 06mATL 07:25 to PWM 14:31, 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.