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

Seattle → Dallas via Atlanta: arrives on time 71%

11:56 SEA → 19:54 ATL

DL 554 · Delta · 4h 58m · 78% on time, 0.0% cancelled
1h 21m layover in Atlanta (ATL) · 45 min minimum on one ticket
21:15 ATL → 22:34 DAL

DL 1104 · Delta · 2h 19m · 82% on time, 2.5% cancelled

Total trip 8h 38m, scheduled departure to arrival (Dallas is 2 h ahead of Seattle). Times are local. Both flew on 56 of the last 56 days.

Makes the connection89%The first flight arrived more than 36 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 1h 21m layover.

Arrives on time71%First flight not cancelled (0.0% are) × connection made (89%) × second flight not cancelled (2.5% are) and within 15 minutes (82%).

Total trip8h 38mSEA 11:56 to DAL 22:34, 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.