What Terminal Is Southwest at Ontario Airport? (ONT)
Southwest Airlines operates from Terminal 4 at Ontario International Airport (ONT) in Ontario, California. Passengers can use the terminal for check-in, baggage drop-off, arrivals, and departures. Check your boarding pass before traveling to confirm the latest flight and gate information.
Southwest Terminal Information at ONT
| Airport Detail | Information |
|---|---|
| Airport Name | Ontario International Airport |
| Airport Code | ONT |
| Airline | Southwest Airlines |
| Terminal | Terminal 4 |
| Check-in | Terminal 4 |
| Ticket Counter | Terminal 4 |
| Baggage Services | Terminal 4 |
| ONT Departures | Terminal 4 |
| ONT Arrivals | Terminal 4 |
| Airport Location | Ontario, California |
Southwest Arrival and Departure Areas at ONT
Southwest passengers can use Terminal 4 for their airport journey. Check the flight display screens for updated arrival times and departure gates.
| Flight Service | Terminal Details |
|---|---|
| ONT Departures | Terminal 4 |
| ONT Arrivals | Terminal 4 |
| Boarding Gates | 403–407 |
| Check-in and Ticketing | Terminal 4 |
| Baggage Claim | Follow airport signs |
Passenger Services at Terminal 4
| Service | Availability |
|---|---|
| Ticket Counters | Available |
| Baggage Services | Available |
| Restaurants and Cafés | Available |
| Charging Stations | Available |
| Ground Transportation | Airport pickup and drop-off areas |
Southwest Airlines uses Terminal 4 at Ontario International Airport (ONT), with boarding gates 403–407. Check your ticket for the latest departure gate and arrival information.