Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Columbus via Boston: arrives on time 64%
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07:29 SEA → 16:00 BOSDL 459 · Delta · 5h 31m · 88% on time, 2.2% cancelled
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3h 20m layover in Boston (BOS) · 45 min minimum on one ticket
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19:20 BOS → 21:45 CMHDL 5629 · Delta, flown by Republic · 2h 25m · 72% on time, 6.6% cancelled
Total trip 11h 16m, scheduled departure to arrival (Columbus is 3 h ahead of Seattle). Times are local. Both flew on 55 of the last 56 days.
Makes the connection97%The first flight arrived more than 155 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 20m layover.
Arrives on time64%First flight not cancelled (2.2% are) × connection made (97%) × second flight not cancelled (6.6% are) and within 15 minutes (72%).
Total trip11h 16mSEA 07:29 to CMH 21:45, 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.