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

ONT Airport Page →
1,702 mi airlines charter/private 7/wk
On-time Some delays Frequent delays
Flight Schedule 5 flights Verified 6m 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
✓
→
WN3153
WN Southwest
738
11:55 PM
PDT T4
5:40 AM+1
CDT
3h 45m
—
M T W T F S S
Prices
✓
←
WN393
WN Southwest
7M8
10:25 AM
CDT
12:30 PM
PDT
4h 5m
46%
M T W T F S S
Prices
✓
←
WN2846
WN Southwest
738
11:45 AM
CDT
1:50 PM
PDT
4h 5m
46%
M T W T F S S
Prices
✓
←
WN3874
WN Southwest
B38M
12:15 PM
CDT
2:20 PM
PDT
4h 5m
46%
M T W T F S S
Prices
✓
←
WN2798
WN Southwest
7M8
10:15 PM
CDT
12:30 AM+1
PDT
4h 15m
46%
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 20m ACF9G6 → WN Denver (DEN) to Chicago flights
LAS Las Vegas 5h 21m F9TIVWN → EJAGTWJTL Las Vegas (LAS) to Chicago flights
PHX Phoenix 5h 30m AAPDWN → WN Phoenix (PHX) to Chicago flights
SLC Salt Lake City 5h 36m AFAMDL → WN Salt Lake City (SLC) to Chicago flights
AUS Austin 6h 10m WN → EJALXJWN Austin (AUS) to Chicago flights
DAL Dallas 6h 10m WN → JTLWN Dallas (DAL) to Chicago flights
DFW Dallas-Fort Worth 6h 20m AABAF9 → F9Y4 Dallas-Fort Worth (DFW) to Chicago flights
HOU Houston 6h 20m WN → WN Houston (HOU) to Chicago flights
BNA Nashville 6h 23m WN → LXJWN Nashville (BNA) to Chicago flights
SMF Sacramento 6h 55m WN → WN Sacramento (SMF) to Chicago flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to Chicago
1 carrier, 7 flights/week nonstop.
1 Airlines 1,702 mi 3h 45m 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 45m. Beyond nonstop, 1-stop connecting options are also available.

Also explore 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 7 738 3h45 91% – –
Aircraft on this route
738 Boeing 737-800 – WN
Alliance coverage
Unaffiliated: WN (7 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
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
8
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to MDW.
1-STOP
One-Stop Connections
27
Hubs
~5h
Fastest
~18h
Longest
DEN ~5h 20m LAS ~5h 21m PHX ~5h 30m SLC ~5h 36m BUR ~5h 55m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,375
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
91%
Generally reliable. Most flights run on time.
Departing
91%
Arriving
63%
Return
MDW → ONT
31%
Frequent delays expected. Consider flexible booking.
Departing
31%
Arriving
91%
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 8 3
Weekly flights 7 1 6
Flight time 3h 45m 3h 32m 3h 50m
Departure OTP 91% – –
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 45m 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 45m
Time difference+2 hours
Airlines (nonstop)1
Weekly flights7 out / 8 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 45m 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.
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 7 weekly departures, this is a regularly served route.

ONT to MDW Flight Duration and Schedule

Nonstop flight time from ONT to MDW is about 3 hours 45 minutes gate to gate. The route covers a distance of 1,702 miles (2,740 km). There are approximately 7 weekly flights outbound and 8 return, totaling 15 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).