Frontier Airlines departures from Ontario, CA (ONT)

Arrival outcomes for 2,233 Frontier Airlines marketed flights departing ONT in July 2025–June 2026.

HISTORICAL ROUTE SIGNALGenerally reliable

74.4%arrived on time

17.6%30+ min late

1.4%cancelled

2,233scheduled flights

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

30+ minutes late17.6%

60+ minutes late10.5%

Cancelled1.4%

Diverted0.0%

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