Southwest Airlines

SWA18 / WN18

ICAO: SWA18 IATA: WN18

Click here to see all flights

Flight schedule

Select flight date

Departure

Arrive

Aircraft

Effective

Avalibility

12:30

Dallas (DAL) T1

15:55

Charleston (CHS)

Boeing 737-800 (winglets) Passenger/BBJ2

Begins

2026-08-08

Valid to

2026-09-26

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

2h 25m

Distance

980 mi, 1577 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1

Meals

Seats

165

Economy

165

10:40

Houston (HOU)

11:50

Dallas (DAL) T1

Boeing 737-800 (winglets) Passenger/BBJ2

Begins

2026-08-08

Valid to

2026-09-26

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

165

Economy

165

10:45

Houston (HOU)

11:55

Dallas (DAL) T1

Boeing 737MAX 8 Passenger

Operates only

2026-09-06

sun

mon

tue

wed

thu

fri

sat

Every Sunday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

175

Economy

175

05:05

Las Vegas (LAS) T1

10:00

Houston (HOU)

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-10-03

Valid to

2026-10-31

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

2h 55m

Distance

1240 mi, 1995 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1

Meals

Seats

137

Economy

137

10:35

Houston (HOU)

11:45

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-10-03

Valid to

2026-10-31

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

12:25

Dallas (DAL) T1

14:15

Fort Walton Beach (VPS)

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-10-03

Valid to

2026-10-31

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 50m

Distance

632 mi, 1017 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:40

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-11-03

Valid to

2026-11-11

sun

mon

tue

wed

thu

fri

sat

Tuesdays and Wednesdays

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

12:35

Dallas (DAL) T1

13:30

Albuquerque (ABQ)

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-11-07

Valid to

2026-11-14

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 55m

Distance

582 mi, 936 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1

Meals

Seats

137

Economy

137

10:50

Houston (HOU)

12:00

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-11-07

Valid to

2026-11-14

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:40

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-11-16

Valid to

2026-11-19

sun

mon

tue

wed

thu

fri

sat

Every Monday, Tuesday, Wednesday and Thursday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:40

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-12-01

Valid to

2026-12-10

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Saturdays and Sundays

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

10:50

Houston (HOU)

12:00

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-12-05

Valid to

2026-12-12

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

12:35

Dallas (DAL) T1

13:30

Albuquerque (ABQ)

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-12-05

Valid to

2026-12-12

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 55m

Distance

582 mi, 936 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:40

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-12-14

Valid to

2026-12-16

sun

mon

tue

wed

thu

fri

sat

Every Monday, Tuesday and Wednesday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:40

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2026-12-24

Valid to

2027-01-01

sun

mon

tue

wed

thu

fri

sat

Thursdays and Fridays

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:40

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-01-05

sun

mon

tue

wed

thu

fri

sat

Every Tuesday

Southwest Airlines

SWA18

Duration

1h 10m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737MAX 8 Passenger

Begins

2027-01-09

Valid to

2027-02-06

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

175

Economy

175

12:15

Dallas (DAL) T1

15:55

Washington (DCA) T1

Boeing 737MAX 8 Passenger

Begins

2027-01-09

Valid to

2027-02-06

sun

mon

tue

wed

thu

fri

sat

Every Saturday

Southwest Airlines

SWA18

Duration

2h 40m

Distance

1188 mi, 1911 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1 Arrival: T1

Meals

Seats

175

Economy

175

12:15

Dallas (DAL) T1

13:55

Phoenix (PHX) T4

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-15

Valid to

2027-01-18

sun

mon

tue

wed

thu

fri

sat

Mondays and Fridays

Southwest Airlines

SWA18

Duration

2h 40m

Distance

882 mi, 1419 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1 Arrival: T4

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-15

Valid to

2027-01-18

sun

mon

tue

wed

thu

fri

sat

Mondays and Fridays

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

14:35

Phoenix (PHX) T4

14:55

Santa Ana (SNA)

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-15

Valid to

2027-01-18

sun

mon

tue

wed

thu

fri

sat

Mondays and Fridays

Southwest Airlines

SWA18

Duration

1h 20m

Distance

339 mi, 545 km

Coreshare

Same day flight

Yes

Terminal

Departure: T4

Meals

Seats

137

Economy

137

15:30

Santa Ana (SNA)

17:00

Oakland (OAK) T2

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-15

Valid to

2027-01-18

sun

mon

tue

wed

thu

fri

sat

Mondays and Fridays

Southwest Airlines

SWA18

Duration

1h 30m

Distance

373 mi, 600 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T2

Meals

Seats

137

Economy

137

12:15

Dallas (DAL) T1

13:55

Phoenix (PHX) T4

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-31

Valid to

2027-02-07

sun

mon

tue

wed

thu

fri

sat

Fridays and Sundays

Southwest Airlines

SWA18

Duration

2h 40m

Distance

882 mi, 1419 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1 Arrival: T4

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-31

Valid to

2027-02-07

sun

mon

tue

wed

thu

fri

sat

Fridays and Sundays

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

14:35

Phoenix (PHX) T4

14:55

Santa Ana (SNA)

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-31

Valid to

2027-02-07

sun

mon

tue

wed

thu

fri

sat

Fridays and Sundays

Southwest Airlines

SWA18

Duration

1h 20m

Distance

339 mi, 545 km

Coreshare

Same day flight

Yes

Terminal

Departure: T4

Meals

Seats

137

Economy

137

15:30

Santa Ana (SNA)

17:00

Oakland (OAK) T2

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-01-31

Valid to

2027-02-07

sun

mon

tue

wed

thu

fri

sat

Fridays and Sundays

Southwest Airlines

SWA18

Duration

1h 30m

Distance

373 mi, 600 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T2

Meals

Seats

137

Economy

137

14:35

Phoenix (PHX) T4

14:55

Santa Ana (SNA)

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-02-08

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

1h 20m

Distance

339 mi, 545 km

Coreshare

Same day flight

Yes

Terminal

Departure: T4

Meals

Seats

137

Economy

137

12:15

Dallas (DAL) T1

13:55

Phoenix (PHX) T4

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-02-08

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

2h 40m

Distance

882 mi, 1419 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1 Arrival: T4

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-02-08

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

15:30

Santa Ana (SNA)

17:00

Oakland (OAK) T2

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-02-08

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

1h 30m

Distance

373 mi, 600 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T2

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-02-11

Valid to

2027-02-15

sun

mon

tue

wed

thu

fri

sat

Every Monday, Thursday and Friday

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

15:30

Santa Ana (SNA)

17:00

Oakland (OAK) T2

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-02-16

Valid to

2027-02-22

sun

mon

tue

wed

thu

fri

sat

Every Monday, Tuesday and Thursday

Southwest Airlines

SWA18

Duration

1h 30m

Distance

373 mi, 600 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T2

Meals

Seats

137

Economy

137

14:35

Phoenix (PHX) T4

14:55

Santa Ana (SNA)

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-02-16

Valid to

2027-02-22

sun

mon

tue

wed

thu

fri

sat

Every Monday, Tuesday and Thursday

Southwest Airlines

SWA18

Duration

1h 20m

Distance

339 mi, 545 km

Coreshare

Same day flight

Yes

Terminal

Departure: T4

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-02-16

Valid to

2027-02-22

sun

mon

tue

wed

thu

fri

sat

Every Monday, Tuesday and Thursday

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

12:15

Dallas (DAL) T1

13:55

Phoenix (PHX) T4

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-02-16

Valid to

2027-02-22

sun

mon

tue

wed

thu

fri

sat

Every Monday, Tuesday and Thursday

Southwest Airlines

SWA18

Duration

2h 40m

Distance

882 mi, 1419 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1 Arrival: T4

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-02-19

Valid to

2027-03-07

sun

mon

tue

wed

thu

fri

sat

Every Thursday, Friday and Sunday

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

12:15

Dallas (DAL) T1

13:55

Phoenix (PHX) T4

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-03-01

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

2h 40m

Distance

882 mi, 1419 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1 Arrival: T4

Meals

Seats

137

Economy

137

15:30

Santa Ana (SNA)

17:00

Oakland (OAK) T2

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-03-01

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

1h 30m

Distance

373 mi, 600 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T2

Meals

Seats

137

Economy

137

14:35

Phoenix (PHX) T4

14:55

Santa Ana (SNA)

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-03-01

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

1h 20m

Distance

339 mi, 545 km

Coreshare

Same day flight

Yes

Terminal

Departure: T4

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-03-01

sun

mon

tue

wed

thu

fri

sat

Every Monday

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

10:30

Houston (HOU)

11:35

Dallas (DAL) T1

Boeing 737-700 Passenger (Scimitar Winglets)

Begins

2027-03-08

Valid to

2027-03-10

sun

mon

tue

wed

thu

fri

sat

Mondays and Wednesdays

Southwest Airlines

SWA18

Duration

1h 05m

Distance

241 mi, 388 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T1

Meals

Seats

137

Economy

137

12:15

Dallas (DAL) T1

13:55

Phoenix (PHX) T4

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-03-10

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Southwest Airlines

SWA18

Duration

2h 40m

Distance

882 mi, 1419 km

Coreshare

Same day flight

Yes

Terminal

Departure: T1 Arrival: T4

Meals

Seats

137

Economy

137

15:30

Santa Ana (SNA)

17:00

Oakland (OAK) T2

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-03-10

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Southwest Airlines

SWA18

Duration

1h 30m

Distance

373 mi, 600 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T2

Meals

Seats

137

Economy

137

14:35

Phoenix (PHX) T4

14:55

Santa Ana (SNA)

Boeing 737-700 Passenger (Scimitar Winglets)

Operates only

2027-03-10

sun

mon

tue

wed

thu

fri

sat

Every Wednesday

Southwest Airlines

SWA18

Duration

1h 20m

Distance

339 mi, 545 km

Coreshare

Same day flight

Yes

Terminal

Departure: T4

Meals

Seats

137

Economy

137

Loading flight status...

General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

580 miles, 933 km

Actual distance

582 miles, 936 km

0.34%

Flight time

1h 55m

Flights / Week

7 flights

Seats / Week

137 seats/flight

959 seats/week

Upcoming scheduled flights in the coming 30 days

Date

Time

From

To

Aircraft

Status
Date:

Time:

From:

To:

Aircraft:

Status:

08 Aug 2026

12:30

Dallas(DAL)

Charleston(CHS)

Boeing 737-800 (winglets) Passenger/BBJ2

WN18
Date:

Time:

From:

To:

Aircraft:

Status:

08 Aug 2026

10:40

Houston(HOU)

Dallas(DAL)

Boeing 737-800 (winglets) Passenger/BBJ2

WN18
Date:

Time:

From:

To:

Aircraft:

Status:

15 Aug 2026

12:30

Dallas(DAL)

Charleston(CHS)

Boeing 737-800 (winglets) Passenger/BBJ2

WN18
Date:

Time:

From:

To:

Aircraft:

Status:

15 Aug 2026

10:40

Houston(HOU)

Dallas(DAL)

Boeing 737-800 (winglets) Passenger/BBJ2

WN18