Airlines with flights from Chicago to Ontario
There are two airlines with scheduled flights between MDW and ONT. Southwest is the only airline with non-stop flights from Midway International Airport to Ontario International Airport and the flight time is 4 hours and 15 minutes.
Choose airline
Schedules
Non-stop with Southwest Airlines
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Total flight time: 4 hours and 15 minutes
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Low-cost airline
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Chicago is a Southwest Airlines focus city (Operating base).
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9 flights per week
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Boeing 737MAX 8 Passenger
MDW
Direct
ONT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN2846
11:45
15:50
15:50
11:45
11:45
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WN3874
----
----
----
----
----
12:15
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WN2798
----
----
----
----
----
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22:15
The timetable & schedule information was updated at 2026-04-21
Via Phoenix with Southwest Airlines
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Total flight time: 5h 30m - 9h 45m.
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Low-cost airline
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Chicago is a Southwest Airlines focus city (Operating base).
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180 flights per week
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Boeing 737MAX 8 Passenger
MDW
Via PHX
ONT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN2858
WN759
WN759
05:20
----
----
05:20
05:20
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----
WN3586
WN759
WN759
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05:25
05:25
----
----
----
----
WN2520
WN431
WN431
07:10
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----
07:10
07:10
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----
WN2520
WN1413
WN1413
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----
----
----
----
----
07:25
WN781
WN3313
WN3313
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----
----
----
----
09:10
----
WN4189
WN670
WN670
11:20
----
----
11:20
11:20
----
10:00
WN2984
WN670
WN670
10:10
----
----
10:10
10:10
----
----
WN1594
WN149
WN149
----
11:45
11:45
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----
----
----
WN1705
WN149
WN149
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11:50
11:50
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----
----
----
WN2984
WN149
WN149
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12:20
12:20
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----
----
----
WN711
WN3206
WN3206
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13:10
13:10
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----
----
----
WN1249
WN3206
WN3206
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16:00
16:00
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----
----
----
WN746
WN2862
WN2862
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----
----
----
----
16:35
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WN2861
WN2862
WN2862
16:35
----
----
16:35
16:35
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----
WN2862
WN3313
WN3313
----
17:35
17:35
----
----
----
18:30
WN2862
WN1750
WN1750
18:40
----
----
18:40
18:40
----
----
WN2863
WN3313
WN3313
----
18:55
18:55
----
----
----
----
WN2863
WN1750
WN1750
20:35
----
----
20:35
20:35
----
----
The timetable & schedule information was updated at 2026-04-21
Via Denver with Southwest Airlines
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Total flight time: 5h 30m - 9h 55m.
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Low-cost airline
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Chicago is a Southwest Airlines focus city (Operating base).
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135 flights per week
-
Boeing 737MAX 8 Passenger
MDW
Via DEN
ONT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN2989
WN1660
WN1660
05:15
05:30
05:30
05:15
05:15
05:25
05:25
WN2765
WN4080
WN4080
06:45
----
----
06:45
06:45
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----
WN2765
WN1450
WN1450
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07:00
07:00
----
----
----
----
WN1866
WN4080
WN4080
----
----
----
----
----
----
08:50
WN1102
WN3627
WN3627
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09:00
09:00
----
----
----
----
WN4450
WN2949
WN2949
13:10
----
----
13:10
13:10
----
----
WN1893
WN2949
WN2949
13:15
----
----
13:15
13:15
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----
WN2142
WN2949
WN2949
----
----
----
----
----
----
13:45
WN2768
WN1564
WN1564
14:30
----
----
14:30
14:30
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----
WN2766
WN189
WN189
----
14:45
14:45
----
----
----
----
WN2769
WN2949
WN2949
16:15
----
----
16:15
16:15
----
15:25
WN4450
WN1663
WN1663
----
----
----
----
----
----
15:30
WN1893
WN1663
WN1663
----
----
----
----
----
----
16:35
WN2769
WN1663
WN1663
----
16:40
16:40
----
----
16:50
----
WN2844
WN1663
WN1663
----
----
----
----
----
17:10
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WN481
WN1663
WN1663
----
----
----
----
----
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17:20
WN2675
WN1663
WN1663
----
18:00
18:00
----
----
----
----
WN1497
WN1663
WN1663
18:00
----
----
18:00
18:00
----
----
The timetable & schedule information was updated at 2026-04-21
Via Las Vegas with Southwest Airlines
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Total flight time: 5h 35m - 10h 45m.
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Low-cost airline
-
Chicago is a Southwest Airlines focus city (Operating base).
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178 flights per week
-
Boeing 737MAX 8 Passenger
MDW
Via LAS
ONT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN519
WN209
WN209
----
----
----
----
----
----
05:00
WN1182
WN2298
WN2298
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06:20
06:20
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----
----
06:30
WN347
WN2298
WN2298
07:30
----
----
07:30
07:30
----
----
WN2794
WN2298
WN2298
09:10
----
----
09:10
09:10
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----
WN2104
WN3155
WN3155
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10:00
10:00
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----
----
----
WN2809
WN5081
WN5081
----
----
----
----
----
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10:00
WN296
WN3845
WN3845
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----
----
----
----
----
10:00
WN2104
WN3845
WN3845
10:00
----
----
10:00
10:00
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10:10
WN714
WN5081
WN5081
----
----
----
----
----
----
10:05
WN1771
WN3845
WN3845
10:10
----
----
10:10
10:10
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10:05
WN1771
WN3155
WN3155
----
10:10
10:10
----
----
----
----
WN2794
WN3155
WN3155
----
10:10
10:10
----
----
----
----
WN2794
WN3845
WN3845
----
----
----
----
----
11:20
10:15
WN1536
WN3845
WN3845
----
----
----
----
----
10:15
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WN1321
WN3155
WN3155
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10:30
10:30
----
----
----
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WN2795
WN2015
WN2015
----
14:55
14:55
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----
----
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WN1951
WN977
WN977
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----
----
----
----
----
15:25
WN2795
WN1565
WN1565
----
----
----
----
----
----
16:10
WN2797
WN1777
WN1777
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----
----
----
----
17:10
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WN2797
WN2301
WN2301
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17:25
17:25
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----
----
----
WN3345
WN1565
WN1565
----
----
----
----
----
----
17:35
WN2844
WN2301
WN2301
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17:50
17:50
----
----
----
----
WN2844
WN2135
WN2135
18:25
----
----
18:25
18:25
----
----
WN2701
WN2301
WN2301
----
18:40
18:40
----
----
----
----
The timetable & schedule information was updated at 2026-04-21
Via Dallas with Southwest Airlines
-
Total flight time: 6h 05m - 10h 00m.
-
Low-cost airline
-
Chicago is a Southwest Airlines focus city (Operating base).
-
31 flights per week
-
Boeing 737MAX 8 Passenger
MDW
Via DAL
ONT
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN1267
WN670
WN670
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07:45
07:45
----
----
----
----
WN163
WN3845
WN3845
----
----
----
----
----
08:50
----
WN3790
WN4017
WN4017
----
----
----
----
----
----
09:55
WN1321
WN1375
WN1375
10:00
----
----
10:00
10:00
----
----
The timetable & schedule information was updated at 2026-04-21

There are two airlines with scheduled flights between MDW and ONT. Southwest is the only airline with non-stop flights from Midway International Airport to Ontario International Airport and the flight time is 4 hours and 15 minutes.
Via Dallas with Frontier