Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Seattle → Columbus via New York: arrives on time 42%

11:40 SEA → 20:25 JFK

DL 415 · Delta · 5h 45m · 74% on time, 2.8% cancelled
50m layover in New York (JFK) · 45 min minimum on one ticket
21:15 JFK → 23:28 CMH

DL 5658 · Delta, flown by Republic · 2h 14m · 78% on time, 10.8% cancelled

Total trip 8h 49m, scheduled departure to arrival (Columbus is 3 h ahead of Seattle). Times are local. Both flew on 56 of the last 56 days.

Makes the connection62%The first flight arrived more than 5 minutes late on 38% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.

Arrives on time42%First flight not cancelled (2.8% are) × connection made (62%) × second flight not cancelled (10.8% are) and within 15 minutes (78%).

Total trip8h 49mSEA 11:40 to CMH 23:28, 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.