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

MDW Airport Page →
1,702 mi airlines 14/wk
On-time Some delays Frequent delays
Flight Schedule 4 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
✓
→
WN3332
WN Southwest
7M8
11:00 AM
CDT
1:15 PM
PDT
4h 15m
—
M T W T F S S
Prices
✓
→
WN3123
WN Southwest
7M8
9:55 PM
CDT
12:15 AM+1
PDT
4h 20m
—
M T W T F S S
Prices
✓
←
WN3658
WN Southwest
7M8
11:55 PM
PDT T4
5:40 AM+1
CDT
3h 45m
—
M T W T F S S
Prices
✓
←
WN4134
WN Southwest
73H
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 nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Chicago to Ontario
1 carrier, 14 flights/week nonstop.
1 Airlines 14 Flights/wk 1,702 mi 4h 15m nonstop -2h behind 38 1-stop hubs

MDW–ONT is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 1,702 miles in approximately 4h 15m. Beyond nonstop, 38 hubs offer 1-stop connections.

Also explore MDW Routes ONT Routes MDW Live Flights ONT Live Flights MDW Delays ONT Delays
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 4h15-4h20 100% – –
Aircraft on this route
7M8 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
2
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
38
Hubs
~5h
Fastest
~28h
Longest
VNY ~5h 24m SAF ~5h 51m AFW ~6h 4m SDF ~6h 7m BUR ~6h 14m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,428
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
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
ONT → MDW
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
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 1 2
Weekly flights 14 15 2
Flight time 4h 15m 3h 26m 3h 52m
Departure OTP 100% – –
Chicago (ORD) to Ontario flights · Chicago/Rockford (RFD) 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 15m to 4h 20m.
Facts

MDW–ONT Quick Facts

Key statistics for the Chicago to Ontario route.
Route details
Distance1,702 mi / 2,740 km
Flight time4h 15m to 4h 20m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights14 out / 14 return
1-stop connections38 hubs
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 approximately 4h 15m to 4h 20m. The route covers 1,702 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 14 nonstop flights per week from MDW to ONT. The return direction has about 14 weekly flights.
Yes, 1-stop connections are available through VNY, SAF, AFW, SDF, BUR, IND, SBA, CVG, MEM, STS, GSO, EWR, PHL, FLL, SJD, MIA, BNA, PDX, IAH, ATL, DEN, SFO, LAS, OAK, DFW, BWI, PHX, HOU, SLC, DAL, SMF, AUS, SEA, SJC, MLM, BJX, CLT and GDL. These options provide additional schedule flexibility.
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 and RFD. 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 ranges from 4 hours 15 minutes to 4 hours 20 minutes. 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

38 one-stop connections are available, with the fastest taking approximately 5 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD) and Chicago/Rockford (RFD).