Southwest Airlines departures from Washington, DC (IAD)

Arrival outcomes for 1,100 Southwest Airlines marketed flights departing IAD in July 2025–June 2026.

HISTORICAL ROUTE SIGNALGenerally reliable

72.9%arrived on time

14.5%30+ min late

1.1%cancelled

1,100scheduled flights

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

30+ minutes late14.5%

60+ minutes late6.4%

Cancelled1.1%

Diverted0.3%

Read this comparison in context

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

Compare all airlines at IAD