Delta Air Lines departures from Ontario, CA (ONT)

Arrival outcomes for 1,868 Delta Air Lines marketed flights departing ONT in July 2025–June 2026.

HISTORICAL ROUTE SIGNALLower disruption

89.3%arrived on time

5.9%30+ min late

1.4%cancelled

1,868scheduled flights

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

30+ minutes late5.9%

60+ minutes late3.8%

Cancelled1.4%

Diverted0.4%

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