Chicago to Ontario (MDW–ONT) — Airlines, Schedules & Connections

MDW Airport Page →
1,702 mi airlines charter/private 14/wk
On-time Some delays Frequent delays
Flight Schedule 7 flights Verified 8m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
WN3874
WN Southwest
7M8
12:15 PM
CDT
2:20 PM
PDT
4h 5m
40%
M T W T F S S
Prices
✓
→
WN2846
WN Southwest
7M8
12:37 PM
CDT
2:50 PM
PDT
4h 13m
40%
M T W T F S S
Prices
✓
→
WN2784
WN Southwest
7S7
5:25 PM
CDT
7:35 PM
PDT
4h 10m
40%
M T W T F S S
Prices
✓
→
WN1347
WN Southwest
7M8
9:25 PM
CDT
11:35 PM
PDT
4h 10m
40%
M T W T F S S
Prices
✓
→
WN2798
WN Southwest
B38M
10:15 PM
CDT
12:30 AM+1
PDT
4h 15m
40%
M T W T F S S
Prices
✓
←
WN3082
WN Southwest
7M8
11:55 PM
PDT T4
5:45 AM+1
CDT
3h 50m
—
M T W T F S S
Prices
✓
←
WN3153
WN Southwest
7M8
11:55 PM
PDT T4
5:40 AM+1
CDT
3h 45m
—
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
PHX Phoenix 5h 35m WN → AAPDWN Phoenix (PHX) to Ontario flights
DEN Denver 5h 40m WN → ACF9UA Denver (DEN) to Ontario flights
LAS Las Vegas 5h 45m LXJWN → F9WNY4 Las Vegas (LAS) to Ontario flights
SLC Salt Lake City 6h 4m WN → AFAMDL Salt Lake City (SLC) to Ontario flights
DAL Dallas 6h 4m DLKFSWN → WN Dallas (DAL) to Ontario flights
BNA Nashville 6h 18m EJAWN → WN Nashville (BNA) to Ontario flights
DFW Dallas-Fort Worth 6h 28m F9Y4 → AABAF9 Dallas-Fort Worth (DFW) to Ontario flights
HOU Houston 6h 30m WN → WN Houston (HOU) to Ontario flights
SMF Sacramento 6h 34m WN → WN Sacramento (SMF) to Ontario flights
BOI Boise 6h 35m WN → AS Boise (BOI) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Chicago to Ontario
1 carrier, 14 flights/week nonstop.
1 Airlines 1,702 mi 4h 10m nonstop -2h behind

MDW–ONT is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 1,702 miles in approximately 4h 10m. Beyond nonstop, 1-stop connecting options are also available.

Also explore MDW Routes ONT Routes MDW Live Flights ONT Live Flights MDW Delays ONT Delays
All flights from Ontario (ONT) Ontario to Chicago flights
Carriers on this route

Airline Landscape

All carriers operating nonstop MDW–ONT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 14 7M8, 7S7, B38M 4h05-4h15 20% – –
Aircraft on this route
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (14 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, MDW to ONT direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
2
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
14
Outbound / wk
14
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MDW to ONT.
1-STOP
One-Stop Connections
23
Hubs
~5h
Fastest
~24h
Longest
PHX ~5h 35m DEN ~5h 40m LAS ~5h 45m SLC ~6h 4m DAL ~6h 4m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,378
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
MDW → ONT
20%
Frequent delays expected. Consider flexible booking.
Departing
20%
Arriving
100%
Return
ONT → MDW
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
76%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MDW delays → ONT delays →
Alternatives

Other ways to reach Ontario from Chicago

Nearby airports with service to Ontario International Airport.
Metric MDW→ONT ORD→ONT RFD→ONT
Distance from MDW – 15 mi 75 mi
Nonstop airlines 1 3 2
Weekly flights 14 14 –
Flight time 4h 10m 4h 29m 3h 49m
Departure OTP 20% – –
Chicago (ORD) to Ontario flights · Chicago/Rockford (RFD) to Ontario flights · Milwaukee (MKE) to Ontario flights
Airports within 200 miles of MDW with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Ontario is 2 hours behind Chicago.
MDW: CDT · ONT: PDT

When it's 6:00 PM in Chicago, it's 4:00 PM in Ontario.
Distance & Flight Time
1,702 mi / 2,740 km
Nonstop flight time is approximately 4h 10m gate to gate.
Facts

MDW–ONT Quick Facts

Key statistics for the Chicago to Ontario route.
Route details
Distance1,702 mi / 2,740 km
Flight time4h 10m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights14 out / 14 return
1-stop connectionsAvailable
Origin: MDW
Full nameChicago Midway International Airport
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about MDW to ONT flights.
Nonstop flights from Chicago Midway International Airport to Ontario International Airport take about 4h 10m gate to gate. The route covers 1,702 miles.
1 airline operates flights from MDW to ONT: Southwest Airlines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Phoenix Sky Harbor, Denver and Harry Reid.
Ontario is 2 hours behind Chicago.
Yes, return flights from ONT to MDW are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ORD, RFD and MKE. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from MDW to ONT

Chicago Midway International Airport (MDW) and Ontario International Airport (ONT) are connected by nonstop service from Southwest Airlines. With 14 weekly departures, this is a well served route.

MDW to ONT Flight Duration and Schedule

Nonstop flight time from MDW to ONT is about 4 hours 10 minutes gate to gate. The route covers a distance of 1,702 miles (2,740 km). There are approximately 14 weekly flights outbound and 14 return, totaling 28 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Phoenix Sky Harbor, Denver and Harry Reid. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD), Chicago/Rockford (RFD) and Milwaukee (MKE).