Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Baltimore via Chicago: arrives on time 36%
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13:45 PDX → 19:50 ORDAA 3303 · American · 4h 05m · 53% on time, 2.9% cancelled
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1h 10m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:00 ORD → 23:59 BWIAA 3866 · American, flown by Envoy · 1h 59m · 59% on time, 3.6% cancelled
Total trip 7h 14m, scheduled departure to arrival (Baltimore is 3 h ahead of Portland). Times are local. Both flew on 26 of the last 56 days.
Makes the connection64%The first flight arrived more than 25 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time36%First flight not cancelled (2.9% are) × connection made (64%) × second flight not cancelled (3.6% are) and within 15 minutes (59%).
Total trip7h 14mPDX 13:45 to BWI 23:59, 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.