Flights operate between Ontario (ONT) and Chicago (MDW).
1 airline operates this route with 1-2 flights daily flights.
Average flight time is 3h 45m - 3h 50m.
Route distance is 1712 miles (2755 km).
Route Distance
1712 miles (2755 km)
Average Duration
3h 45m - 3h 50m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
1-2 flights
Weekly Flights
7
Typical Departure Time Ranges
Earliest Departure
11:20
Latest Departure
11:20
Route Intelligence Dashboard
Overall Connectivity Score
35
ModerateRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from ONT
Weekly Frequency
7
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| ONT → Chicago (MDW) (MDW) | 7/week | 3h 45m - 3h 50m | 1,712 km | Seasonal |
Flight Schedule & Filters
Southwest Airlines flights from Ontario (ONT) to Chicago (MDW)
Southwest Airlines operates scheduled nonstop flights between Ontario (ONT) and Chicago (MDW). Southwest Airlines operates 1-2 flights daily flights on this route.• Flight Duration: 3h 45m - 3h 50m (average flight time)• Distance: 1712 miles (2755 km) (air miles between airports)• Daily Flights: 1-2 flights (scheduled departures per day)
Ontario (ONT)
US
Chicago (MDW)
US
FLIGHT TIME
3h 45m - 3h 50m
FLIGHT DISTANCE
1712 miles (2755 km)
3h 45m - 3h 45m
11:20
11:20
1712 miles (2755 km)
May
1 (Show)
7
Southwest Airlines Terminal Information & Contact
Departure Terminal - Ontario (ONT)
Terminal: 4
Phone: 800-435-9792
Location: 4, Ontario, US
Arrival Terminal - Chicago (MDW)
Terminal: 1
Phone: 800-435-9792
Location: 1, Chicago, US
Southwest Airlines Flight Schedule from Ontario (ONT) to Chicago (MDW)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN636 |  Southwest Airlines | 11:20 | 17:05:00 | Boeing 737MAX 8 Passenger |
Southwest Airlines Monthly Flight Calendar
Loading calendar...
Loading price statistics...
Southwest Airlines Terminal Information
Departure Terminal at Ontario (ONT):
Terminal 4:
• Southwest Airlines Terminal Phone: 800-435-9792
Arrival Terminal at Chicago (MDW):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Southwest Airlines Contact Information and Customer Services
Southwest Airlines Address
2702 Love Field Dr
Dallas, TX 75235, US
Customer Service Phone
800-435-9792Official Website
southwest.com/Frequently Asked Questions
How many Southwest Airlines flights operate from Ontario (ONT) to Chicago (MDW)?
Southwest Airlines operates 1 flight from Ontario (ONT) to Chicago (MDW).
What city does Chicago (MDW) airport serve?
Chicago (MDW) airport serves Chicago, US.
How long is the Southwest Airlines flight from Ontario (ONT) to Chicago (MDW)?
The flight duration is approximately 3h 45m - 3h 50m.
What is the distance from Ontario (ONT) to Chicago (MDW)?
The distance is 1712 miles (2755 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737MAX 8 Passenger on this route.
Which terminal does Southwest Airlines use at Ontario (ONT)?
Southwest Airlines flights from Ontario (ONT) depart from Terminal 4. Terminal 4 phone: 800-435-9792.
What is the Southwest Airlines terminal phone number at Ontario (ONT)?
The Southwest Airlines terminal phone number at Ontario (ONT) is 800-435-9792 (Terminal 4).
View all Southwest Airlines flights to Ontario (ONT) →
Popular Southwest Airlines routes from Ontario include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.