Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Baltimore via Chicago: arrives on time 33%
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13:58 SEA → 20:26 ORDAA 2520 · American · 4h 36m · 46% on time, 1.4% cancelled
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59m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:25 ORD → 00:33 BWI +1 dayAA 4663 · American, flown by Republic · 2h 08m · 79% on time, 4.5% cancelled
Total trip 7h 35m, scheduled departure to arrival (Baltimore is 3 h ahead of Seattle). Times are local. Both flew on 30 of the last 56 days.
Makes the connection44%The first flight arrived more than 14 minutes late on 56% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time33%First flight not cancelled (1.4% are) × connection made (44%) × second flight not cancelled (4.5% are) and within 15 minutes (79%).
Total trip7h 35mSEA 13:58 to BWI 00:33, 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.