Southwest Airlines departures from Seattle, WA (SEA)

Arrival outcomes for 8,105 Southwest Airlines marketed flights departing SEA in July 2025–June 2026.

HISTORICAL ROUTE SIGNALVariable

69.5%arrived on time

17.3%30+ min late

0.4%cancelled

8,105scheduled flights

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

30+ minutes late17.3%

60+ minutes late6.6%

Cancelled0.4%

Diverted0.3%

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