Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Baltimore → Seattle via Boston: arrives on time 63%
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13:29 BWI → 15:05 BOSDL 5668 · Delta, flown by Republic · 1h 36m · 80% on time, 3.8% cancelled
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4h 20m layover in Boston (BOS) · 45 min minimum on one ticket
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19:25 BOS → 22:49 SEADL 324 · Delta · 6h 25m · 67% on time, 2.2% cancelled
Total trip 12h 21m, scheduled departure to arrival (Seattle is 3 h behind Baltimore). Times are local. Both flew on 40 of the last 56 days.
Makes the connection99%The first flight arrived more than 215 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 20m layover.
Arrives on time63%First flight not cancelled (3.8% are) × connection made (99%) × second flight not cancelled (2.2% are) and within 15 minutes (67%).
Total trip12h 21mBWI 13:29 to SEA 22:49, 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.