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Southwest Airlines vs JSX route maps

Southwest Airlines flies 1,094 nonstop routes and JSX flies 48 nonstop routes. Both fly 10 routes (1% overlap), such as HOU–DAL, LAS–BUR, and LAS–DAL. 1,084 routes only on Southwest Airlines, 38 routes only on JSX; both serve 10 airports. Routes checked October 27, 2026.

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Routes both fly
10
Only WN
1,084
Only XE
38
Airports both serve
10

Route overlap

of all routes either flies are flown by both
1%
of the airports either serves are served by both
7%
of Southwest Airlines's routes JSX also flies
1%
of JSX's routes Southwest Airlines also flies
21%

Routes both fly · 10

Route sources (including Wikipedia fallback): Southwest Airlines ↗ (checked Oct 27, 2026), Southwest Airlines ↗ (checked Oct 27, 2026), Southwest Airlines ↗ (checked Oct 27, 2026), Southwest Airlines ↗ (checked Oct 27, 2026) and 23 more.

Compare other airlines

Only Southwest Airlines · 1084

From Dallas DAL · 79

From Chicago MDW · 83

From Las Vegas LAS · 74

From Baltimore BWI · 76

From Denver DEN · 91

From Phoenix PHX · 58

From Atlanta ATL · 14

From Austin AUS · 65

From Houston HOU · 61

From Los Angeles LAX · 23

From Nashville BNA · 82

From Oakland OAK · 17

From Orlando MCO · 62

From St. Louis STL · 43

From San Diego SAN · 36

From Tampa TPA · 34

From Kansas City MCI · 30

From Fort Lauderdale FLL · 19

From Sacramento SMF · 18

From Fort Myers RSW · 17

From Columbus CMH · 10

From San Jose SJC · 14

From Indianapolis IND · 9

From Pittsburgh PIT · 9

From New Orleans MSY · 8

From Milwaukee MKE · 6

From San Antonio SAT · 5

From Washington DCA · 4

From Omaha OMA · 2

From Cancún CUN · 1

From Long Beach LGB · 6

From Sarasota/Bradenton SRQ · 4

From Miami MIA · 2

From Salt Lake City SLC · 2

From Burbank BUR · 6

From Buffalo BUF · 2

From Oklahoma City OKC · 1

From San José del Cabo SJD · 1

From Honolulu HNL · 5

From Warwick PVD · 1

From Kahului OGG · 2

From Santa Ana SNA · 1

From West Palm Beach DJT · 1

Only JSX · 38

From Dallas DAL · 9

From Burbank BUR · 4

From Las Vegas LAS · 5

From Miami OPF · 1

From Oakland OAK · 2

From Santa Ana SNA · 5

From Scottsdale SCF · 5

From White Plains HPN · 3

From Carlsbad CLD · 2

From Santa Monica SMO · 1

From Cabo San Lucas CSW · 1

Airports both serve · 10

If Southwest Airlines and JSX merged

Merged, Southwest Airlines and JSX would fly 1,132 nonstop routes to 137 airports in 14 countries. 10 routes (1% of the combined network) are flown by both today, where a merger would end head-to-head competition. Southwest Airlines would gain 17 new airports and JSX 110 new airports.

Merged nonstop routes
1,132
Airports served
137
Countries
14
Routes both fly today
10 (1%)

New for Southwest Airlines · 17

New for JSX · 110

A what-if, not news of a real deal. Merge two other airlines

Quick answers

Do Southwest Airlines and JSX fly the same routes?

Yes, 10 routes: Houston (HOU) to Dallas (DAL), Las Vegas (LAS) to Burbank (BUR), Las Vegas (LAS) to Dallas (DAL), Los Angeles (LAX) to Las Vegas (LAS), Oakland (OAK) to Burbank (BUR), Oakland (OAK) to Las Vegas (LAS), Reno (RNO) to Burbank (BUR), Reno (RNO) to Las Vegas (LAS), Salt Lake City (SLC) to Las Vegas (LAS), and Santa Ana (SNA) to Las Vegas (LAS).

Which has more routes, Southwest Airlines or JSX?

Southwest Airlines, with 1,094 nonstop routes to 120 airports, against 48 routes to 27 airports for JSX.

Which airports do both Southwest Airlines and JSX fly to?

Burbank (BUR), Dallas (DAL), Houston (HOU), Las Vegas (LAS), Los Angeles (LAX), Oakland (OAK), Reno (RNO), Salt Lake City (SLC), Santa Ana (SNA), and West Palm Beach (DJT).

Which routes does only Southwest Airlines fly?

1,084 routes, including Austin (AUS) to Albuquerque (ABQ), Austin (AUS) to Amarillo (AMA), Austin (AUS) to Atlanta (ATL), Windsor Locks (BDL) to Baltimore (BWI), Windsor Locks (BDL) to Dallas (DAL), and Windsor Locks (BDL) to Denver (DEN), and 1078 more.

Which routes does only JSX fly?

38 routes, including Denver (APA) to Dallas (DAL), Denver (APA) to Las Vegas (LAS), Denver (APA) to Scottsdale (SCF), Napa (APC) to Burbank (BUR), Napa (APC) to Santa Monica (SMO), and Napa (APC) to Santa Ana (SNA), and 32 more.

What is the longest route both Southwest Airlines and JSX fly?

Las Vegas (LAS) to Dallas (DAL), about 1,065 miles great-circle.

Where do these route maps come from?

Each airline's own route map, timetable and newsroom pages, with Wikipedia used only where an airline publishes none. Every source is linked under the map; the newest was checked October 27, 2026.

How much do Southwest Airlines and JSX overlap?

1% of the routes either airline flies are flown by both. That is 1% of Southwest Airlines's routes and 21% of JSX's; 7% of the airports either serves are served by both.

What would a Southwest Airlines and JSX merger fly?

Merged, Southwest Airlines and JSX would fly 1,132 nonstop routes to 137 airports in 14 countries. 10 routes (1% of the combined network) are flown by both today, where a merger would end head-to-head competition. Southwest Airlines would gain 17 new airports and JSX 110 new airports.

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