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

ONT Airport Page →
1,702 mi airlines charter/private 14/wk
On-time Some delays Frequent delays
Flight Schedule 7 flights Verified 1m ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
WN3082
WN Southwest
B38M
11:55 PM
PDT T4 Red-eye
5:45 AM+1
CDT
3h 50m
—
M T W T F S S
Prices
✓
→
WN3270
Starts Oct 1 Seat map
WN Southwest
7M8 Seat map
11:55 PM
PDT T4 Red-eye
5:40 AM+1
CDT
3h 45m
—
M T W T F S S
Prices
✓
←
WN3508
Starts Oct 1 Seat map
WN Southwest
7M8 Seat map
11:55 AM
CDT
2:10 PM
PDT
4h 15m
50%
M T W T F S S
Prices
✓
←
WN2784
WN Southwest
7S7
5:25 PM
CDT
7:40 PM
PDT
4h 15m
50%
M T W T F S S
Prices
✓
←
WN2947
Starts Oct 4 Seat map
WN Southwest
7M8 Seat map
6:10 PM
CDT
8:30 PM
PDT
4h 20m
50%
M T W T F S S
Prices
✓
←
WN3744
Starts Oct 3 Seat map
WN Southwest
7M8 Seat map
7:00 PM
CDT
9:20 PM
PDT
4h 20m
50%
M T W T F S S
Prices
✓
←
WN1347
WN Southwest
B38M
9:25 PM
CDT
11:40 PM
PDT
4h 15m
50%
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
DEN Denver 5h 15m ACF9UA → WN Denver (DEN) to Chicago flights
LAS Las Vegas 5h 19m F9WNY4 → WN Las Vegas (LAS) to Chicago flights
PHX Phoenix 5h 20m AAPDWN → CTFWN Phoenix (PHX) to Chicago flights
SLC Salt Lake City 5h 38m AFAMDL → WN Salt Lake City (SLC) to Chicago flights
DAL Dallas 5h 55m WN → WN Dallas (DAL) to Chicago flights
BNA Nashville 6h 10m WN → NJMWN Nashville (BNA) to Chicago flights
AUS Austin 6h 20m KOWWN → WN Austin (AUS) to Chicago flights
HOU Houston 6h 25m WN → WN Houston (HOU) to Chicago flights
SMF Sacramento 6h 30m WN → WN Sacramento (SMF) to Chicago flights
OAK Oakland 6h 40m WN → WN Oakland (OAK) to Chicago flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to Chicago
1 carrier, 14 flights/week nonstop.
1 Airlines 1,702 mi 3h 48m nonstop +2h ahead

ONT–MDW is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 1,702 miles in approximately 3h 48m. Beyond nonstop, 1-stop connecting options are also available.

Also explore Choose a flight to see its seat map ONT Routes MDW Routes ONT Live Flights MDW Live Flights ONT Delays MDW Delays
All flights from Chicago (MDW) Chicago to Ontario flights
Carriers on this route

Airline Landscape

All carriers operating nonstop ONT–MDW service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 14 7M8, B38M 3h45-3h50 70% – –
Aircraft on this route
7M8 Boeing 737 MAX 8 – 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, ONT to MDW 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
2
Nonstop flights
14
Outbound / wk
14
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to MDW.
1-STOP
One-Stop Connections
23
Hubs
~5h
Fastest
~19h
Longest
DEN ~5h 15m LAS ~5h 19m PHX ~5h 20m SLC ~5h 38m DAL ~5h 55m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,272
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
ONT → MDW
70%
Moderate delays possible. Allow buffer time.
Departing
70%
Arriving
78%
Return
MDW → ONT
66%
Moderate delays possible. Allow buffer time.
Departing
66%
Arriving
79%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → MDW delays →
Alternatives

Other ways to reach Chicago from Ontario

Nearby airports with service to Chicago Midway International Airport.
Metric ONT→MDW SNA→MDW LGB→MDW
Distance from ONT – 30 mi 36 mi
Nonstop airlines 1 9 5
Weekly flights 14 1 14
Flight time 3h 48m 3h 41m 3h 43m
Departure OTP 70% – –
Santa Ana (SNA) to Chicago flights · Long Beach (LGB) to Chicago flights · Burbank (BUR) to Chicago flights
Airports within 200 miles of ONT with service to Chicago Midway International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Ontario, it's 8:00 PM in Chicago.
Distance & Flight Time
1,702 mi / 2,740 km
Nonstop flight time is approximately 3h 48m gate to gate.
Facts

ONT–MDW Quick Facts

Key statistics for the Ontario to Chicago route.
Route details
Distance1,702 mi / 2,740 km
Flight time3h 48m
Time difference+2 hours
Airlines (nonstop)1
Weekly flights14 out / 14 return
1-stop connectionsAvailable
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: MDW
Full nameChicago Midway International Airport
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m
FAQ

Frequently Asked Questions

Common questions about ONT to MDW flights.
Nonstop flights from Ontario International Airport to Chicago Midway International Airport take about 3h 48m gate to gate. The route covers 1,702 miles.
1 airline operates flights from ONT to MDW: 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 Denver, Harry Reid and Phoenix Sky Harbor.
On a single ticket, yes. Your bags are checked through to MDW and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Chicago is 2 hours ahead of Ontario.
Yes, return flights from MDW to ONT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SNA, LGB and BUR. 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 ONT to MDW

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

ONT to MDW Flight Duration and Schedule

Nonstop flight time from ONT to MDW is about 3 hours 48 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 Denver, Harry Reid and Phoenix Sky Harbor. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Ana (SNA), Long Beach (LGB) and Burbank (BUR).