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

Seattle → Pittsburgh via Atlanta: arrives on time 62%

11:56 SEA → 19:54 ATL

DL 554 · Delta · 4h 58m · 78% on time, 0.0% cancelled
1h 12m layover in Atlanta (ATL) · 45 min minimum on one ticket
21:06 ATL → 22:52 PIT

DL 2583 · Delta · 1h 46m · 76% on time, 3.1% cancelled

Total trip 7h 56m, scheduled departure to arrival (Pittsburgh is 3 h ahead of Seattle). Times are local. Both flew on 28 of the last 56 days.

Makes the connection84%The first flight arrived more than 27 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.

Arrives on time62%First flight not cancelled (0.0% are) × connection made (84%) × second flight not cancelled (3.1% are) and within 15 minutes (76%).

Total trip7h 56mSEA 11:56 to PIT 22:52, 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.