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

Seattle → Columbus via Atlanta: arrives on time 75%

11:56 SEA → 19:54 ATL

DL 554 · Delta · 4h 58m · 78% on time, 0.0% cancelled
2h 09m layover in Atlanta (ATL) · 45 min minimum on one ticket
22:03 ATL → 23:01 CMH

DL 1459 · Delta · 1h 38m · 80% on time, 1.5% cancelled

Total trip 8h 45m, scheduled departure to arrival (Columbus is 3 h ahead of Seattle). Times are local. Both flew on 47 of the last 56 days.

Makes the connection95%The first flight arrived more than 84 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 09m layover.

Arrives on time75%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (1.5% are) and within 15 minutes (80%).

Total trip8h 45mSEA 11:56 to CMH 23:01, 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.