Milwaukee to Chicago (MKE–ORD) — Airlines, Schedules & Connections

MKE Airport Page →
67 mi airlines charter/private 360/wk
On-time Some delays Frequent delays
Flight Schedule 117 flights Verified 38m 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
AS6751cs
AS Alaska
CR7
5:00 AM
CDT
6:12 AM
CDT
1h 12m
M T W T F S S
Prices
UA5799+6
UA United
CRJ
5:00 AM
CDT
5:59 AM
CDT
0h 59m
M T W T F S S
Prices
AA6358+1
AA American
CR7
5:06 AM
CDT
6:20 AM
CDT
1h 14m
M T W T F S S
Prices
EI7525+2
EI Aer Lingus
CR7
5:06 AM
CDT
6:25 AM
CDT
1h 19m
M T W T F S S
Prices
NZ2632cs
NZ Air New Zealand
E7W
5:15 AM
CDT
6:20 AM
CDT
1h 5m
M T W T F S S
Prices
NZ2959cs
NZ Air New Zealand
E7W
5:50 AM
CDT
6:53 AM
CDT
1h 3m
M T W T F S S
Prices
AA4914+1
AA American
CR7
6:05 AM
CDT
7:22 AM
CDT
1h 17m
M T W T F S S
Prices
AS6312cs
AS Alaska
CR7
6:13 AM
CDT
7:30 AM
CDT
1h 17m
M T W T F S S
Prices
UA5566
UA United
CR2
6:20 AM
CDT
7:30 AM
CDT
1h 10m
M T W T F S S
Prices
UA5896+1
UA United
CRJ
6:20 AM
CDT
7:30 AM
CDT
1h 10m
M T W T F S S
Prices
NZ2624cs
NZ Air New Zealand
E7W
6:49 AM
CDT
7:58 AM
CDT
1h 9m
M T W T F S S
Prices
EI7677+2
EI Aer Lingus
CR7
7:01 AM
CDT
8:20 AM
CDT
1h 19m
M T W T F S S
Prices
AA6213
AA American
CR7
7:11 AM
CDT
8:30 AM
CDT
1h 19m
M T W T F S S
Prices
AC3036cs
AC Air Canada
E7W
7:25 AM
CDT
8:29 AM
CDT
1h 4m
M T W T F S S
Prices
UA4803+4
UA United
E7W
7:30 AM
CDT
8:40 AM
CDT
1h 10m
M T W T F S S
Prices
AA2484
AA American
8:00 AM
CDT
8:42 AM
CDT
0h 42m
M T W T F S S
Prices
EI7259+3
EI Aer Lingus
CR7
8:11 AM
CDT
9:25 AM
CDT
1h 14m
M T W T F S S
Prices
EI7407+3
EI Aer Lingus
CR7
8:12 AM
CDT
9:31 AM
CDT
1h 19m
M T W T F S S
Prices
NZ2626cs
NZ Air New Zealand
CRJ
8:33 AM
CDT
9:42 AM
CDT
1h 9m
M T W T F S S
Prices
UA5402+6
UA United
CR2
8:33 AM
CDT
9:42 AM
CDT
1h 9m
M T W T F S S
Prices
QR2921cs
QR Qatar
CR7
8:40 AM
CDT
9:59 AM
CDT
1h 19m
M T W T F S S
Prices
CM1843cs
CM Copa
CR7
8:50 AM
CDT
10:00 AM
CDT
1h 10m
M T W T F S S
Prices
AC3037cs
AC Air Canada
CR7
8:50 AM
CDT
10:00 AM
CDT
1h 10m
M T W T F S S
Prices
AS4004cs
AS Alaska
CR7
10:00 AM
CDT
11:12 AM
CDT
1h 12m
M T W T F S S
Prices
AA6263+2
AA American
CR7
10:00 AM
CDT
11:12 AM
CDT
1h 12m
M T W T F S S
Prices
NZ2628cs
NZ Air New Zealand
CR2
10:20 AM
CDT
11:29 AM
CDT
1h 9m
M T W T F S S
Prices
UA5399
UA United
CR5
10:28 AM
CDT
11:38 AM
CDT
1h 10m
M T W T F S S
Prices
AC3038cs
AC Air Canada
CRJ
10:38 AM
CDT
11:48 AM
CDT
1h 10m
M T W T F S S
Prices
CM1347cs
CM Copa
CR2
10:38 AM
CDT
11:48 AM
CDT
1h 10m
M T W T F S S
Prices
UA5984+2
UA United
CRJ
10:38 AM
CDT
11:48 AM
CDT
1h 10m
M T W T F S S
Prices
EI7401+2
EI Aer Lingus
CR7
11:13 AM
CDT
12:25 PM
CDT
1h 12m
M T W T F S S
Prices
CM1844cs
CM Copa
CRJ
11:55 AM
CDT
1:05 PM
CDT
1h 10m
M T W T F S S
Prices
UA4740+4
UA United
CRJ
11:55 AM
CDT
1:05 PM
CDT
1h 10m
M T W T F S S
Prices
AC3039cs
AC Air Canada
CR2
11:55 AM
CDT
1:05 PM
CDT
1h 10m
M T W T F S S
Prices
NZ2622+3
NZ Air New Zealand
CRJ
12:06 PM
CDT
1:15 PM
CDT
1h 9m
M T W T F S S
Prices
AA4409
AA American
E75
1:14 PM
CDT
2:29 PM
CDT
1h 15m
M T W T F S S
Prices
UA4748
UA United
CR5
1:19 PM
CDT
2:29 PM
CDT
1h 10m
M T W T F S S
Prices
AA6261+1
AA American
CR7
1:28 PM
CDT
2:43 PM
CDT
1h 15m
M T W T F S S
Prices
UA5617
UA United
CR2
1:30 PM
CDT
2:40 PM
CDT
1h 10m
M T W T F S S
Prices
QR2756cs
QR Qatar
CR7
1:43 PM
CDT
2:59 PM
CDT
1h 16m
M T W T F S S
Prices
NZ2620+3
NZ Air New Zealand
CRJ
1:46 PM
CDT
2:55 PM
CDT
1h 9m
M T W T F S S
Prices
UA4726
UA United
CR5
3:11 PM
CDT
4:22 PM
CDT
1h 11m
M T W T F S S
Prices
UA5640+5
UA United
CRJ
3:12 PM
CDT
4:23 PM
CDT
1h 11m
M T W T F S S
Prices
NZ2634cs
NZ Air New Zealand
CRJ
3:20 PM
CDT
4:29 PM
CDT
1h 9m
M T W T F S S
Prices
AV2319cs
AV avianca
CR7
5:39 PM
CDT
6:50 PM
CDT
1h 11m
M T W T F S S
Prices
AC3035cs
AC Air Canada
CR7
5:39 PM
CDT
6:50 PM
CDT
1h 11m
M T W T F S S
Prices
UA5648+3
UA United
CR7
5:39 PM
CDT
6:50 PM
CDT
1h 11m
M T W T F S S
Prices
UA1382
UA United
5:50 PM
CDT
7:25 PM
CDT
1h 35m
M T W T F S S
Prices
NZ2630cs
NZ Air New Zealand
E7W
5:56 PM
CDT
7:05 PM
CDT
1h 9m
M T W T F S S
Prices
AA6211+2
AA American
CR7
6:50 PM
CDT
8:14 PM
CDT
1h 24m
M T W T F S S
Prices
AS4139cs
AS Alaska
CR7
6:50 PM
CDT
8:14 PM
CDT
1h 24m
M T W T F S S
Prices
CM1842cs
CM Copa
CR5
7:00 PM
CDT
8:11 PM
CDT
1h 11m
M T W T F S S
Prices
AA4425
AA American
E75
7:00 PM
CDT
8:27 PM
CDT
1h 27m
M T W T F S S
Prices
UA5653
UA United
CRJ
7:34 PM
CDT
8:40 PM
CDT
1h 6m
M T W T F S S
Prices
UA4769
UA United
E7W
8:45 PM
CDT
9:56 PM
CDT
1h 11m
M T W T F S S
Prices
UA2467
UA United
9:15 PM
CDT
10:14 PM
CDT
0h 59m
M T W T F S S
Prices
UA5727
UA United
CR5
12:01 AM
CDT T2
1:01 AM
CDT
1h
20%
M T W T F S S
Prices
AA1369
AA American
12:30 AM
CDT
1:13 AM
CDT
0h 43m
33%
M T W T F S S
Prices
UA5581
UA United
CRJ
5:59 AM
CDT T2
7:00 AM
CDT
1h 1m
20%
M T W T F S S
Prices
AA6263+2
AA American
CR7
6:40 AM
CDT T3
7:42 AM
CDT
1h 2m
33%
M T W T F S S
Prices
AS4004+2
AS Alaska
CR7
6:40 AM
CDT T3
7:42 AM
CDT
1h 2m
35%
M T W T F S S
Prices
EI7699+3
EI Aer Lingus
CR7
6:40 AM
CDT T3
7:41 AM
CDT
1h 1m
54%
M T W T F S S
Prices
NZ2623+2
NZ Air New Zealand
CRJ
8:40 AM
CDT T2
9:45 AM
CDT
1h 5m
33%
M T W T F S S
Prices
UA5689
UA United
CRJ
8:45 AM
CDT T2
9:53 AM
CDT
1h 8m
20%
M T W T F S S
Prices
CM1839cs
CM Copa
CRJ
8:49 AM
CDT T2
9:57 AM
CDT
1h 8m
30%
M T W T F S S
Prices
UA5921+1
UA United
CRJ
8:49 AM
CDT T2
9:57 AM
CDT
1h 8m
20%
M T W T F S S
Prices
NZ2621cs
NZ Air New Zealand
CRJ
10:30 AM
CDT T2
11:31 AM
CDT
1h 1m
33%
M T W T F S S
Prices
AA4409
AA American
E75
11:42 AM
CDT T3
12:44 PM
CDT
1h 2m
33%
M T W T F S S
Prices
UA5720
UA United
CR5
11:43 AM
CDT T2
12:44 PM
CDT
1h 1m
20%
M T W T F S S
Prices
AC3027
AC Air Canada
CR5
11:47 AM
CDT T2
12:48 PM
CDT
1h 1m
21%
M T W T F S S
Prices
AA6261+1
AA American
CR7
11:59 AM
CDT T3
12:57 PM
CDT
0h 58m
33%
M T W T F S S
Prices
NZ2625cs
NZ Air New Zealand
CR2
12:09 PM
CDT T2
1:11 PM
CDT
1h 2m
33%
M T W T F S S
Prices
UA6009
UA United
CRJ
12:34 PM
CDT T2
1:16 PM
CDT
0h 42m
20%
M T W T F S S
Prices
NZ2631cs
NZ Air New Zealand
CRJ
1:25 PM
CDT T2
2:27 PM
CDT
1h 2m
33%
M T W T F S S
Prices
UA5933+1
UA United
CRJ
1:30 PM
CDT T2
2:36 PM
CDT
1h 6m
20%
M T W T F S S
Prices
UA5262+3
UA United
CRJ
2:30 PM
CDT T2
3:36 PM
CDT
1h 6m
20%
M T W T F S S
Prices
UA5750
UA United
CRJ
2:40 PM
CDT T2
3:43 PM
CDT
1h 3m
20%
M T W T F S S
Prices
UA5345
UA United
CR5
3:36 PM
CDT T2
4:42 PM
CDT
1h 6m
20%
M T W T F S S
Prices
UA4772
UA United
CR5
3:40 PM
CDT T2
4:46 PM
CDT
1h 6m
20%
M T W T F S S
Prices
NZ2629+3
NZ Air New Zealand
E7W
4:05 PM
CDT T3
5:07 PM
CDT
1h 2m
33%
M T W T F S S
Prices
EI7711+1
EI Aer Lingus
E75
4:09 PM
CDT T3
5:11 PM
CDT
1h 2m
54%
M T W T F S S
Prices
QR7974
QR Qatar
CR7
5:16 PM
CDT T3
6:15 PM
CDT
0h 59m
8%
M T W T F S S
Prices
AA4425
AA American
E75
5:17 PM
CDT T3
6:25 PM
CDT
1h 8m
33%
M T W T F S S
Prices
AS4139+4
AS Alaska
CR7
5:21 PM
CDT T3
6:20 PM
CDT
0h 59m
35%
M T W T F S S
Prices
IB4101
IB Iberia
CR7
5:21 PM
CDT T3
6:20 PM
CDT
0h 59m
M T W T F S S
Prices
BA1890
BA British
CR7
5:21 PM
CDT T3
6:23 PM
CDT
1h 2m
26%
M T W T F S S
Prices
AA6211+2
AA American
CR7
5:21 PM
CDT T3
6:20 PM
CDT
0h 59m
33%
M T W T F S S
Prices
BA1725cs
BA British
CR7
5:21 PM
CDT T3
6:20 PM
CDT
0h 59m
26%
M T W T F S S
Prices
BA1654
BA British
CR7
5:31 PM
CDT T3
6:33 PM
CDT
1h 2m
26%
M T W T F S S
Prices
CM1836cs
CM Copa
CRJ
5:45 PM
CDT T2
6:51 PM
CDT
1h 6m
30%
M T W T F S S
Prices
AV2322cs
AV avianca
CR2
5:45 PM
CDT T2
6:51 PM
CDT
1h 6m
26%
M T W T F S S
Prices
UA5555+5
UA United
CR2
5:45 PM
CDT T2
6:51 PM
CDT
1h 6m
20%
M T W T F S S
Prices
NZ2633cs
NZ Air New Zealand
E75L
5:55 PM
CDT T2
7:01 PM
CDT
1h 6m
33%
M T W T F S S
Prices
UA5956
UA United
CRJ
6:15 PM
CDT T2
7:26 PM
CDT
1h 11m
20%
M T W T F S S
Prices
BA1731
BA British
CR7
6:20 PM
CDT T3
7:19 PM
CDT
0h 59m
26%
M T W T F S S
Prices
UA6053+1
UA United
CRJ
6:29 PM
CDT T2
7:40 PM
CDT
1h 11m
20%
M T W T F S S
Prices
AC3033+1
AC Air Canada
CRJ
6:29 PM
CDT T2
7:40 PM
CDT
1h 11m
21%
M T W T F S S
Prices
CM1838cs
CM Copa
CR2
6:29 PM
CDT T2
7:40 PM
CDT
1h 11m
30%
M T W T F S S
Prices
QR2405
QR Qatar
CR7
6:45 PM
CDT T3
7:46 PM
CDT
1h 1m
8%
M T W T F S S
Prices
AA4941
AA American
CR7
6:45 PM
CDT T3
7:46 PM
CDT
1h 1m
33%
M T W T F S S
Prices
QR2645
QR Qatar
CR7
6:55 PM
CDT T3
7:56 PM
CDT
1h 1m
8%
M T W T F S S
Prices
AA4940
AA American
CR7
6:59 PM
CDT T3
7:58 PM
CDT
0h 59m
33%
M T W T F S S
Prices
AS4529
AS Alaska
CR7
7:01 PM
CDT T3
8:06 PM
CDT
1h 5m
35%
M T W T F S S
Prices
NZ2960cs
NZ Air New Zealand
E7W
7:45 PM
CDT T2
8:53 PM
CDT
1h 8m
33%
M T W T F S S
Prices
AC3031cs
AC Air Canada
CR5
7:45 PM
CDT T2
8:56 PM
CDT
1h 11m
21%
M T W T F S S
Prices
EK6277cs
EK Emirates
E7W
7:45 PM
CDT T2
8:48 PM
CDT
1h 3m
34%
M T W T F S S
Prices
UA4711+7
UA United
E7W
7:45 PM
CDT T2
8:53 PM
CDT
1h 8m
20%
M T W T F S S
Prices
CM1837cs
CM Copa
CR5
7:50 PM
CDT T3
8:56 PM
CDT
1h 6m
30%
M T W T F S S
Prices
EI7403+2
EI Aer Lingus
CR7
8:55 PM
CDT T3
10:00 PM
CDT
1h 5m
54%
M T W T F S S
Prices
NZ2627cs
NZ Air New Zealand
E7W
8:57 PM
CDT T2
10:05 PM
CDT
1h 8m
33%
M T W T F S S
Prices
EI7443+2
EI Aer Lingus
CR7
9:20 PM
CDT T3
10:24 PM
CDT
1h 4m
54%
M T W T F S S
Prices
UA5362+4
UA United
E7W
9:20 PM
CDT T2
10:21 PM
CDT
1h 1m
20%
M T W T F S S
Prices
AA6357
AA American
CR7
9:20 PM
CDT T3
10:24 PM
CDT
1h 4m
33%
M T W T F S S
Prices
AC3029cs
AC Air Canada
E7W
9:20 PM
CDT T2
10:21 PM
CDT
1h 1m
21%
M T W T F S S
Prices
AA4888
AA American
CR7
9:31 PM
CDT T3
10:30 PM
CDT
0h 59m
33%
M T W T F S S
Prices
NZ2635cs
NZ Air New Zealand
CRJ
9:33 PM
CDT T2
10:33 PM
CDT
1h
33%
M T W T F S S
Prices
UA5586
UA United
CR5
10:50 PM
CDT T2
11:59 PM
CDT
1h 9m
20%
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
SBN South Bend 2h 41m OOUA AAEKNZ South Bend (SBN) to Chicago flights
DTW Detroit 3h 32m AFDLKE AAACAM Detroit (DTW) to Chicago flights
DAY Dayton 3h 33m AA AAASAY Dayton (DAY) to Chicago flights
STL St Louis 3h 37m WN AAACAS St Louis (STL) to Chicago flights
MSP Minneapolis 3h 53m AFAMDL AAACAF Minneapolis (MSP) to Chicago flights
BNA Nashville 4h 16m WN AAACAS Nashville (BNA) to Chicago flights
MCI Kansas City 4h 31m WN AAACAS Kansas City (MCI) to Chicago flights
BWI Baltimore 5h 4m WN AAASCX Baltimore (BWI) to Chicago flights
DCA Washington 5h 7m AAWN AAASAY Washington (DCA) to Chicago flights
CLT Charlotte 5h 11m AAEJA AAACAS Charlotte (CLT) to Chicago flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Milwaukee to Chicago
6 carriers, 360 flights/week nonstop.
6 Airlines 67 mi 1h 10m nonstop

MKE–ORD is served by 6 airlines with nonstop service. United Airlines, American Airlines and Aeromexico lead the route. The flight covers 67 miles in approximately 1h 10m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop MKE–ORD service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines Also: AC, AV, CM, NZ 103 CR2, CR5, CR7, CRJ, E7W 0h59-1h35 88% Star Alliance AC, AV, CM, NZ
AA American Airlines Also: AS, EI, QR 46 CR7, E75 0h42-1h27 88% Oneworld AS, EI, QR
AM Aeromexico 0 88% SkyTeam
DL Delta Air Lines 0 88% SkyTeam
OO SkyWest Airlines 0 88%
WN Southwest Airlines 0 88%
Aircraft on this route
CR2 Canadair Regional Jet 200 – AC, CM, NZ, UA
CR5 Bombardier CRJ-550 – CM, UA
CR7 Bombardier CRJ-700 – AA, AC, AS, AV, CM, EI, QR, UA
CRJ Bombardier CRJ – AC, CM, NZ, UA
E75 Embraer E175 – AA
E7W Embraer E175 – AC, NZ, UA
Alliance coverage
Star Alliance: UA (103 flights/wk, 69%)
Oneworld: AA (46 flights/wk, 31%)
SkyTeam: AM + DL (0 flights/wk, 0%)
Unaffiliated: OO + WN (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, MKE to ORD direction.
Mon
51
flights
Tue
51
flights
Wed
50
flights
Thu
51
flights
Fri
53
flights
Sat
51
flights
Sun
52
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
56
Nonstop flights
360
Outbound / wk
365
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MKE to ORD.
1-STOP
One-Stop Connections
58
Hubs
~2h
Fastest
~18h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,907
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
MKE → ORD
88%
Generally reliable. Most flights run on time.
Departing
88%
Arriving
83%
Return
ORD → MKE
27%
Frequent delays expected. Consider flexible booking.
Departing
27%
Arriving
76%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MKE delays → ORD delays →

Other ways to reach Chicago from Milwaukee

Nearby airports with service to Chicago O'Hare International Airport.
Metric MKE→ORD MSN→ORD RFD→ORD
Distance from MKE 74 mi 80 mi
Nonstop airlines 6 14 4
Weekly flights 360 362 30
Flight time 1h 10m 1h 3m 0h 36m
Departure OTP 88%
Airports within 200 miles of MKE with service to Chicago O'Hare International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Chicago is 0 hours the same as Milwaukee.
MKE: CDT · ORD: CDT

When it's 6:00 PM in Milwaukee, it's 6:00 PM in Chicago.
Distance & Flight Time
67 mi / 108 km
Nonstop flight time is approximately 1h 10m gate to gate.
Getting from ORD

CTA Blue Line runs 24/7 from O'Hare to downtown Chicago (45 min, $5). Taxis use a flat-rate zone system; downtown is around $40–45 plus tip. Ride-shares are typically $30–50.The Airport Transit System (ATS) connects all terminals and parking. Metra commuter rail does not serve O'Hare directly; transfer downtown via Blue Line.

Chicago Climate

Continental climate with four distinct seasons. Summers are warm and humid (25–32°C) with afternoon thunderstorms. Winters are cold (−10 to −2°C) with heavy snowfall that regularly delays flights December through March.

Spring and fall are mild but unpredictable. Pack layers. Lake Michigan moderates temperatures near the lakefront, but O'Hare sits inland and runs colder.

MKE–ORD Quick Facts

Key statistics for the Milwaukee to Chicago route.
Route details
Distance67 mi / 108 km
Flight time1h 10m
Time difference0 hours
Airlines (nonstop)6
Weekly flights360 out / 365 return
1-stop connectionsAvailable
Origin: MKE
IATA / ICAOMKE / KMKE
TimezoneAmerica/Chicago
Passengers/yr6.2M
Elevation723 ft / 220 m
Destination: ORD
IATA / ICAOORD / KORD
TimezoneAmerica/Chicago
Passengers/yr80.0M
Elevation680 ft / 207 m

Frequently Asked Questions

Common questions about MKE to ORD flights.
Nonstop flights from General Mitchell International Airport to Chicago O'Hare International Airport take about 1h 10m gate to gate. The route covers 67 miles.
6 airlines operate flights from MKE to ORD: United Airlines, American Airlines, Aeromexico, Delta Air Lines, and others.
This route has frequent 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 South Bend, Detroit Metropolitan Wayne County and James M. Cox Dayton.
Yes, return flights from ORD to MKE are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include MSN, RFD and MDW. 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.
The Milwaukee–Chicago O'Hare distance is 80 miles by road, with typical driving times of 90–120 minutes depending on traffic. The Amtrak Hiawatha service runs Milwaukee to Chicago's Union Station in about 90 minutes, which is city-center to city-center. Flying to O'Hare adds airport check-in, security, and baggage claim time, making the flight practical primarily for passengers connecting onward from ORD rather than those whose destination is downtown Chicago.
The primary use case is as a feeder from Milwaukee into O'Hare's connecting network for long-haul domestic or international itineraries. A Milwaukee resident flying to Tokyo, London, or Sydney may find a single-ticket connection through ORD on a major carrier more convenient than driving to O'Hare and parking, particularly with checked baggage. The airline handles the bag transfer and provides rebooking protection on the through-ticket.
Five carriers serve this route, primarily with regional jets. United Express (operated by regional affiliates) is the primary operator, using CRJ or E175 equipment. American Eagle regional jets also serve the route. The block time is 35–45 minutes, the minimum practical operating segment for a commercial regional aircraft given turnaround time requirements.

Milwaukee to Chicago O'Hare: Ultra-Short Feeder Segment

The Milwaukee–Chicago O'Hare route is one of the shortest regularly scheduled commercial segments in the US domestic network, functioning primarily as a feeder connector for Milwaukee-area travelers accessing O'Hare's global connection hub on single-ticket itineraries. Five carriers operate 252 weekly departures, nearly all on regional jets. The route exists because the value proposition is not speed between the two cities but rather the protection of a single-ticket itinerary with baggage transfer and rebooking rights for onward connections.

MKE as an Alternative to O'Hare

Milwaukee Mitchell International Airport serves as an overflow option for Chicago-area residents seeking lower fares or less congestion than O'Hare or Midway. Southwest's Milwaukee operation has historically drawn passengers from the northern Chicago suburbs willing to drive 45 minutes to access lower fares on key leisure routes.