All airlines flying from Ontario, Los Angeles (ONT) to Chicago Midway (MDW).

FLIGHT SCHEDULE
Direct Flights:
Sat 08:15 Ontario, Los Angeles (ONT) 4 14:00 Chicago Midway (MDW) Southwest Airlines WN 636 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Valid until 2026-01-03
Mon,Tue,Fri,Sun 11:20 Ontario, Los Angeles (ONT) 4 17:05 Chicago Midway (MDW) Southwest Airlines WN 636 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Valid until 2026-01-04
Thu,Fri,Sun 06:30 Ontario, Los Angeles (ONT) 4 12:15 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 06:30 Ontario, Los Angeles (ONT) 4 12:15 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 06:30 Ontario, Los Angeles (ONT) 4 12:15 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-01 through 2026-02-06
Mon,Sun 06:30 Ontario, Los Angeles (ONT) 4 12:15 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 06:30 Ontario, Los Angeles (ONT) 4 12:15 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-17 through 2026-02-23
Mon 06:30 Ontario, Los Angeles (ONT) 4 12:15 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-800 (73H) 3:45 Operates only on 2026-03-02
Mon-Fri 06:50 Ontario, Los Angeles (ONT) 4 12:40 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 06:50 Ontario, Los Angeles (ONT) 4 12:40 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2026-01-18 through 2026-01-23
Mon-Fri 06:50 Ontario, Los Angeles (ONT) 4 12:40 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2026-01-26 through 2026-02-04
Sun 06:50 Ontario, Los Angeles (ONT) 4 12:40 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-700 (Scimitar Winglets) 3:50 Operates only on 2026-02-08
Tue,Wed 06:50 Ontario, Los Angeles (ONT) 4 12:40 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-02-10 through 2026-02-11
Tue,Wed 06:50 Ontario, Los Angeles (ONT) 4 12:40 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-02-18 through 2026-03-04
Sat 07:20 Ontario, Los Angeles (ONT) 4 13:05 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 12:40 Ontario, Los Angeles (ONT) 4 18:25 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:40 Ontario, Los Angeles (ONT) 4 18:25 Chicago Midway (MDW) Southwest Airlines WN 3026 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-20 through 2026-03-01
Mon,Wed,Thu 06:50 Ontario, Los Angeles (ONT) 4 12:35 Chicago Midway (MDW) Southwest Airlines WN 3058 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Valid until 2026-01-05
Daily 23:55 Ontario, Los Angeles (ONT) 4 05:45 Chicago Midway (MDW) Southwest Airlines WN 3082 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-08-04 through 2026-09-30 The flight arrives 1 day after departure.
Daily 23:55 Ontario, Los Angeles (ONT) 4 05:40 Chicago Midway (MDW) Southwest Airlines WN 3153 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-06-04 through 2026-08-03 The flight arrives 1 day after departure.
Daily 23:55 Ontario, Los Angeles (ONT) 4 05:40 Chicago Midway (MDW) Southwest Airlines WN 3658 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-04-07 through 2026-06-03 The flight arrives 1 day after departure.
Thu,Fri 23:55 Ontario, Los Angeles (ONT) 4 05:40 Chicago Midway (MDW) Southwest Airlines WN 4134 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-03-05 through 2026-03-06 The flight arrives 1 day after departure.
Daily 23:55 Ontario, Los Angeles (ONT) 4 05:40 Chicago Midway (MDW) Southwest Airlines WN 4134 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-03-08 through 2026-04-06 The flight arrives 1 day after departure.
Sat 23:55 Ontario, Los Angeles (ONT) 4 06:40 Chicago Midway (MDW) Southwest Airlines WN 4432 Non-stop Boeing 737-800 (73H) 3:45 Operates only on 2026-03-07 The flight arrives 1 day after departure.
Non-Direct Flights:
Thu,Fri,Sun 07:20 Ontario, Los Angeles (ONT) 4 14:55 Chicago Midway (MDW) Southwest Airlines WN 1880 1-stop Boeing 737-800 (73H) 5:35 Effective 2026-01-11 through 2026-01-16
Mon,Sun 07:20 Ontario, Los Angeles (ONT) 4 14:55 Chicago Midway (MDW) Southwest Airlines WN 1880 1-stop Boeing 737-800 (73H) 5:35 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 07:20 Ontario, Los Angeles (ONT) 4 14:55 Chicago Midway (MDW) Southwest Airlines WN 1880 1-stop Boeing 737-800 (73H) 5:35 Effective 2026-02-01 through 2026-02-06
Mon,Sun 07:20 Ontario, Los Angeles (ONT) 4 14:55 Chicago Midway (MDW) Southwest Airlines WN 1880 1-stop Boeing 737-800 (73H) 5:35 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 07:20 Ontario, Los Angeles (ONT) 4 14:55 Chicago Midway (MDW) Southwest Airlines WN 1880 1-stop Boeing 737-800 (73H) 5:35 Effective 2026-02-17 through 2026-02-23
Mon 07:20 Ontario, Los Angeles (ONT) 4 14:55 Chicago Midway (MDW) Southwest Airlines WN 1880 1-stop Boeing 737-800 (73H) 5:35 Operates only on 2026-03-02
Fri,Sun 08:30 Ontario, Los Angeles (ONT) 4 15:35 Chicago Midway (MDW) Southwest Airlines WN 2310 1-stop Boeing 737-700 (Scimitar Winglets) 5:05 Effective 2026-01-02 through 2026-01-04
Sat 06:45 Ontario, Los Angeles (ONT) 4 14:40 Chicago Midway (MDW) Southwest Airlines WN 3675 1-stop Boeing 737-700 (Scimitar Winglets) 5:55 Effective 2026-04-11 through 2026-05-30
Sun 07:50 Ontario, Los Angeles (ONT) 4 17:55 Chicago Midway (MDW) Southwest Airlines WN 1142 2-stop Boeing 737-700 (Scimitar Winglets) 8:05 Effective 2026-03-08 through 2026-04-05
Sun 09:45 Ontario, Los Angeles (ONT) 4 18:00 Chicago Midway (MDW) Southwest Airlines WN 2157 2-stop Boeing 737-700 (Scimitar Winglets) 6:15 Effective 2026-04-12 through 2026-05-17
Sun 09:45 Ontario, Los Angeles (ONT) 4 18:00 Chicago Midway (MDW) Southwest Airlines WN 2157 2-stop Boeing 737-700 (Scimitar Winglets) 6:15 Operates only on 2026-05-31

A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Chicago Midway airport (MDW).
The flight distance is 1701 miles, or 2738 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:45 and 3:50.

Return (MDW-ONT) flights

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All airlines flying from Ontario, Los Angeles (ONT) to Chicago Midway (MDW).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN636

08:15

Ontario, Los Angeles (ONT) 4

14:00

Chicago Midway (MDW)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN636

11:20

Ontario, Los Angeles (ONT) 4

17:05

Chicago Midway (MDW)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3026

06:30

Ontario, Los Angeles (ONT) 4

12:15

Chicago Midway (MDW)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3026

06:30

Ontario, Los Angeles (ONT) 4

12:15

Chicago Midway (MDW)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3026

06:30

Ontario, Los Angeles (ONT) 4

12:15

Chicago Midway (MDW)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3026

06:30

Ontario, Los Angeles (ONT) 4

12:15

Chicago Midway (MDW)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3026

06:30

Ontario, Los Angeles (ONT) 4

12:15

Chicago Midway (MDW)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3026

06:30

Ontario, Los Angeles (ONT) 4

12:15

Chicago Midway (MDW)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3026

06:50

Ontario, Los Angeles (ONT) 4

12:40

Chicago Midway (MDW)

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3026

06:50

Ontario, Los Angeles (ONT) 4

12:40

Chicago Midway (MDW)

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3026

06:50

Ontario, Los Angeles (ONT) 4

12:40

Chicago Midway (MDW)

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3026

06:50

Ontario, Los Angeles (ONT) 4

12:40

Chicago Midway (MDW)

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3026

06:50

Ontario, Los Angeles (ONT) 4

12:40

Chicago Midway (MDW)

Effective 2026-02-10 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3026

06:50

Ontario, Los Angeles (ONT) 4

12:40

Chicago Midway (MDW)

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3026

07:20

Ontario, Los Angeles (ONT) 4

13:05

Chicago Midway (MDW)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3026

12:40

Ontario, Los Angeles (ONT) 4

18:25

Chicago Midway (MDW)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3026

12:40

Ontario, Los Angeles (ONT) 4

18:25

Chicago Midway (MDW)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3058

06:50

Ontario, Los Angeles (ONT) 4

12:35

Chicago Midway (MDW)

Valid until 2026-01-05

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3082

23:55

Ontario, Los Angeles (ONT) 4

05:45(+1)

Chicago Midway (MDW)

Effective 2026-08-04 through 2026-09-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3153

23:55

Ontario, Los Angeles (ONT) 4

05:40(+1)

Chicago Midway (MDW)

Effective 2026-06-04 through 2026-08-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3658

23:55

Ontario, Los Angeles (ONT) 4

05:40(+1)

Chicago Midway (MDW)

Effective 2026-04-07 through 2026-06-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4134

23:55

Ontario, Los Angeles (ONT) 4

05:40(+1)

Chicago Midway (MDW)

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4134

23:55

Ontario, Los Angeles (ONT) 4

05:40(+1)

Chicago Midway (MDW)

Effective 2026-03-08 through 2026-04-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4432

23:55

Ontario, Los Angeles (ONT) 4

06:40(+1)

Chicago Midway (MDW)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN1880

07:20

Ontario, Los Angeles (ONT) 4

14:55

Chicago Midway (MDW)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:35, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN1880

07:20

Ontario, Los Angeles (ONT) 4

14:55

Chicago Midway (MDW)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:35, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN1880

07:20

Ontario, Los Angeles (ONT) 4

14:55

Chicago Midway (MDW)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:35, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN1880

07:20

Ontario, Los Angeles (ONT) 4

14:55

Chicago Midway (MDW)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:35, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN1880

07:20

Ontario, Los Angeles (ONT) 4

14:55

Chicago Midway (MDW)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:35, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN1880

07:20

Ontario, Los Angeles (ONT) 4

14:55

Chicago Midway (MDW)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:35, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN2310

08:30

Ontario, Los Angeles (ONT) 4

15:35

Chicago Midway (MDW)

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 5:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3675

06:45

Ontario, Los Angeles (ONT) 4

14:40

Chicago Midway (MDW)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:55, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1142

07:50

Ontario, Los Angeles (ONT) 4

17:55

Chicago Midway (MDW)

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2157

09:45

Ontario, Los Angeles (ONT) 4

18:00

Chicago Midway (MDW)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:15, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2157

09:45

Ontario, Los Angeles (ONT) 4

18:00

Chicago Midway (MDW)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:15, 2-stop
Boeing 737-700 (Scimitar Winglets)

A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Chicago Midway airport (MDW).
The flight distance is 1701 miles, or 2738 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:45 and 3:50.

Return (MDW-ONT) flights

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