American Airlines departures from Ontario, CA (ONT)

Arrival outcomes for 3,627 American Airlines marketed flights departing ONT in July 2025–June 2026.

HISTORICAL ROUTE SIGNALGenerally reliable

79.0%arrived on time

12.1%30+ min late

2.1%cancelled

3,627scheduled flights

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

30+ minutes late12.1%

60+ minutes late7.0%

Cancelled2.1%

Diverted0.6%

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