Ontario to Milwaukee (ONT–MKE) — Airlines, Schedules & Connections

ONT Airport Page →
1,709 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 15 1-stop flights Verified 2mos ago
No nonstop service between ONT and MKE. Nearest airports to ONT with scheduled service: San Diego International Airport (SAN, 94 mi) · San Bernardino International Airport (SBD, 21 mi) · John Wayne Orange County International Airport (SNA, 30 mi)
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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.

Last scheduled nonstop: Jun 2026.

✦ 1-Stop connections via 10 hubs
DEN Denver 5h 10m ACF9UA → UAWN Denver (DEN) to Milwaukee flights
LAS Las Vegas 5h 15m F9WNY4 → WN Las Vegas (LAS) to Milwaukee flights
PHX Phoenix 5h 20m AAPDWN → AAASWN Phoenix (PHX) to Milwaukee flights
SLC Salt Lake City 6h 7m AFAMDL → DL Salt Lake City (SLC) to Milwaukee flights
AUS Austin 6h 18m WN → WN Austin (AUS) to Milwaukee flights
DFW Dallas-Fort Worth 6h 26m AABAF9 → AAG3QF Dallas-Fort Worth (DFW) to Milwaukee flights
BNA Nashville 6h 30m WN → WN Nashville (BNA) to Milwaukee flights
ORD Chicago 6h 45m UA → AAACAS Chicago (ORD) to Milwaukee flights
ATL Atlanta 7h 2m AFAMDL → AFAMDL Atlanta (ATL) to Milwaukee flights
DAL Dallas 7h 15m WN → WN Dallas (DAL) to Milwaukee flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to Milwaukee
Connecting service available through multiple hubs.
1,709 mi 3h 22m nonstop +2h ahead

While no nonstop service exists between ONT and MKE, 1-stop connecting options are available.

Also explore Browse available seat maps ONT Routes MKE Routes ONT Live Flights MKE Live Flights ONT Delays MKE Delays
All flights from Milwaukee (MKE) Milwaukee to Ontario flights
Connections

Connection Landscape

1-stop and 2-stop options for ONT to MKE.
1-STOP
One-Stop Connections
15
Hubs
~5h
Fastest
~20h
Longest
DEN ~5h 10m LAS ~5h 15m PHX ~5h 20m SLC ~6h 7m AUS ~6h 18m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
582
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 → MKE
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
MKE → ONT
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → MKE delays →
Alternatives

Other ways to reach Milwaukee from Ontario

Nearby airports with service to General Mitchell International Airport.
Metric ONT→MKE SNA→MKE LGB→MKE
Distance from ONT – 30 mi 36 mi
Nonstop airlines – 3 2
Weekly flights – 1 –
Flight time 3h 22m 4h 9m 3h 50m
Departure OTP 100% – –
Santa Ana (SNA) to Milwaukee flights · Long Beach (LGB) to Milwaukee flights · Los Angeles (LAX) to Milwaukee flights
Airports within 200 miles of ONT with service to General Mitchell International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Ontario, it's 8:00 PM in Milwaukee.
Distance & Flight Time
1,709 mi / 2,750 km
Nonstop flight time is approximately 3h 22m gate to gate.
Facts

ONT–MKE Quick Facts

Key statistics for the Ontario to Milwaukee route.
Route details
Distance1,709 mi / 2,750 km
Flight time3h 22m
Time difference+2 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: MKE
Full nameGeneral Mitchell International Airport
IATA / ICAOMKE / KMKE
TimezoneAmerica/Chicago
Passengers/yr6.2M
Elevation723 ft / 220 m
FAQ

Frequently Asked Questions

Common questions about ONT to MKE flights.
Nonstop flights from Ontario International Airport to General Mitchell International Airport take about 3h 22m gate to gate. The route covers 1,709 miles.
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 MKE 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.
Milwaukee is 2 hours ahead of Ontario.
Yes, return flights from MKE to ONT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SNA, LGB and LAX. 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 MKE

Ontario International Airport (ONT) and General Mitchell International Airport (MKE) are connected through multiple connecting hub airports.

ONT to MKE Flight Duration and Schedule

Nonstop flight time from ONT to MKE is about 3 hours 22 minutes gate to gate. The route covers a distance of 1,709 miles (2,750 km).

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 Los Angeles (LAX).