Southwest Airlines departures from Ontario, CA (ONT)

Arrival outcomes for 11,651 Southwest Airlines marketed flights departing ONT in July 2025–June 2026.

HISTORICAL ROUTE SIGNALLower disruption

81.1%arrived on time

10.7%30+ min late

0.4%cancelled

11,651scheduled flights

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

30+ minutes late10.7%

60+ minutes late4.8%

Cancelled0.4%

Diverted0.1%

Read this comparison in context

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

Compare all airlines at ONT