Route Network
Ontario Airport connects 55 destinations worldwide, with Phoenix standing out as its busiest route. The longest nonstop flight is to Taipei, and the shortest flight is to Lancaster.
Route and destination data updated February 16, 2026.
Ontario Airport is served by 31 airlines, with Southwest Airlines in the lead at 14% of routes. The top three carriers together cover 33% of routes. 17 carriers operate only one route each. A total of five airlines operate international routes, compared with 26 airlines serving domestic routes. China Airlines is operating the longest nonstop flight, connecting to Taipei with a flight time of 13 hrs 50 mins.
Ontario Airport provides direct service to four countries across two continents. The route network is 87% domestic and 13% international. Mexico is the primary international destination.
Global Rankings
Destinations
Measures how broadly the airport connects distinct endpoints.
- #322 - Total destinations
- #183 - Domestic destinations
- #547 - International destinations
Flights & Scheduling
Reflects flight volume and runway utilization.
- #214 - Total flights
- #142 - Domestic flights
- #427 - International flights
- #264 - Flights per runway
Distance & Reach
Highlights long-haul reach and distance efficiency.
- #209 - Total distance flown
- #330 - Distance per flight
- #244 - Distance per runway
Runways
| Runway | Length | Width | Surface |
|---|---|---|---|
| 12,234 ft 3,729 m 12,234 ft · 3,729 m | 151 ft 46 m 151 ft · 46 m | Concrete | |
| 12,234 ft 3,729 m 12,234 ft · 3,729 m | 151 ft 46 m 151 ft · 46 m | Concrete | |
| 10,200 ft 3,109 m 10,200 ft · 3,109 m | 150 ft 46 m 150 ft · 46 m | Closed | |
| 10,223 ft 3,116 m 10,223 ft · 3,116 m | 151 ft 46 m 151 ft · 46 m | Concrete | |
| 10,223 ft 3,116 m 10,223 ft · 3,116 m | 151 ft 46 m 151 ft · 46 m | Concrete |
Runway Length
Runways at Ontario Airport are long enough for all aircraft with known takeoff and landing distances.