United Airlines departures from Seattle, WA (SEA)

Arrival outcomes for 8,804 United Airlines marketed flights departing SEA in July 2025–June 2026.

HISTORICAL ROUTE SIGNALGenerally reliable

79.2%arrived on time

13.4%30+ min late

0.8%cancelled

8,804scheduled flights

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

30+ minutes late13.4%

60+ minutes late7.5%

Cancelled0.8%

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