Delta Air Lines departures from Seattle, WA (SEA)

Arrival outcomes for 32,257 Delta Air Lines marketed flights departing SEA in July 2025–June 2026.

HISTORICAL ROUTE SIGNALLower disruption

80.3%arrived on time

11.0%30+ min late

1.1%cancelled

32,257scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late11.0%

60+ minutes late5.5%

Cancelled1.1%

Diverted0.4%

Read this comparison in context

This page isolates one marketing carrier at one origin airport. Compare it with the parent SEA report before drawing a conclusion: airlines can serve different destinations and departure times from the same airport.

Compare all airlines at SEA