Direct destinations from Ontario International Airport

Busiest routes from here

From the flight archive, October 2025 to September 2026: the routes with the most flights from here. The number is the count of distinct callsigns per day, as the median over the months.

Which direction can you fly?

The heading you leave on, following the shortest path across the globe. Not the direction on a flat map: flights to Los Angeles depart northwest, over Greenland.

How far can you fly nonstop?

Where does the network reach?

Direct destinations per continent, and below that the countries you can reach nonstop most often.

Longest and shortest nonstop connection

Airlines with direct connections

How many of the direct destinations each airline appears on. This is not a flight count and not a market share.