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Japan Airlines vs Southwest Airlines route maps

Japan Airlines flies 109 nonstop routes and Southwest Airlines flies 1,094 nonstop routes. They fly none of the same routes. 109 routes only on Japan Airlines, 1,094 routes only on Southwest Airlines; both serve 6 airports. Routes checked October 27, 2026.

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Routes both fly
0
Only JL
109
Only WN
1,094
Airports both serve
6

Route overlap

of all routes either flies are flown by both
0%
of the airports either serves are served by both
3%
of Japan Airlines's routes Southwest Airlines also flies
0%
of Southwest Airlines's routes Japan Airlines also flies
0%

Routes both fly · 0

Japan Airlines and Southwest Airlines fly none of the same airport pairs, though both fly to 6 of the same airports (listed below).

Route sources (including Wikipedia fallback): Japan Airlines ↗ (checked Oct 27, 2026), Japan Airlines ↗ (checked Oct 27, 2026), Japan Airlines ↗ (checked Oct 27, 2026), Japan Airlines ↗ (checked Oct 27, 2026) and 42 more.

Compare other airlines

Only Japan Airlines · 109

From Tokyo HND · 57

From Tokyo NRT · 25

From Nagoya NGO · 7

From Fukuoka FUK · 7

From Osaka ITM · 5

From Osaka KIX · 5

From Sapporo CTS · 1

From Matsuyama MYJ · 1

From Naha OKA · 1

Only Southwest Airlines · 1094

From Dallas DAL · 81

From Chicago MDW · 83

From Las Vegas LAS · 80

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 · 18

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 Burbank BUR · 8

From Washington DCA · 4

From Omaha OMA · 2

From Cancún CUN · 1

From Salt Lake City SLC · 1

From Long Beach LGB · 6

From Sarasota/Bradenton SRQ · 4

From Miami MIA · 2

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 Santa Ana SNA · 1

From Kahului OGG · 2

From West Palm Beach DJT · 1

Airports both serve · 6

If Japan Airlines and Southwest Airlines merged

Merged, Japan Airlines and Southwest Airlines would fly 1,203 nonstop routes to 186 airports in 34 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Japan Airlines would gain 114 new airports and Southwest Airlines 66 new airports.

Merged nonstop routes
1,203
Airports served
186
Countries
34
Routes both fly today
0 (0%)

New for Japan Airlines · 114

New for Southwest Airlines · 66

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

Quick answers

Do Japan Airlines and Southwest Airlines fly the same routes?

No. Their route maps have no airport pair in common, though both fly to 6 airports.

Which has more routes, Japan Airlines or Southwest Airlines?

Southwest Airlines, with 1,094 nonstop routes to 120 airports, against 109 routes to 72 airports for Japan Airlines.

Which airports do both Japan Airlines and Southwest Airlines fly to?

Boston (BOS), Honolulu (HNL), Los Angeles (LAX), San Diego (SAN), San Francisco (SFO), and Seattle (SEA).

Which routes does only Japan Airlines fly?

109 routes, including Aomori (AOJ) to Tokyo (HND), Amami (ASJ) to Tokyo (HND), Amami (ASJ) to Osaka (ITM), Akita (AXT) to Tokyo (HND), Sapporo (CTS) to Fukuoka (FUK), and Sapporo (CTS) to Tokyo (HND), and 103 more.

Which routes does only Southwest Airlines fly?

1,094 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 1088 more.

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 Japan Airlines and Southwest Airlines overlap?

0% of the routes either airline flies are flown by both. That is 0% of Japan Airlines's routes and 0% of Southwest Airlines's; 3% of the airports either serves are served by both.

What would a Japan Airlines and Southwest Airlines merger fly?

Merged, Japan Airlines and Southwest Airlines would fly 1,203 nonstop routes to 186 airports in 34 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Japan Airlines would gain 114 new airports and Southwest Airlines 66 new airports.

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