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Jeju Air vs Southwest Airlines route maps

Jeju Air flies 69 nonstop routes and Southwest Airlines flies 1,094 nonstop routes. They fly none of the same routes. 69 routes only on Jeju Air, 1,094 routes only on Southwest Airlines; both serve 0 airports. Routes checked October 27, 2026.

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Routes both fly
0
Only 7C
69
Only WN
1,094
Airports both serve
0

Route overlap

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

Routes both fly · 0

Jeju Air and Southwest Airlines fly none of the same airport pairs.

Route sources (including Wikipedia fallback): Jeju Air ↗ (checked Oct 27, 2026), Jeju Air ↗ (checked Oct 27, 2026), Jeju Air ↗ (checked Oct 27, 2026), Jeju Air ↗ (checked Oct 27, 2026) and 32 more.

Compare other airlines

Only Jeju Air · 69

From Jeju City CJU · 11

From Seoul ICN · 39

From Seoul GMP · 1

From Busan PUS · 16

From Fukuoka FUK · 1

From Cebu City/Lapu-Lapu City CEB · 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

If Jeju Air and Southwest Airlines merged

Merged, Jeju Air and Southwest Airlines would fly 1,163 nonstop routes to 173 airports in 29 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Jeju Air would gain 120 new airports and Southwest Airlines 53 new airports.

Merged nonstop routes
1,163
Airports served
173
Countries
29
Routes both fly today
0 (0%)

New for Jeju Air · 120

New for Southwest Airlines · 53

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

Quick answers

Do Jeju Air and Southwest Airlines fly the same routes?

No. Their route maps have no airport pair in common.

Which has more routes, Jeju Air or Southwest Airlines?

Southwest Airlines, with 1,094 nonstop routes to 120 airports, against 69 routes to 53 airports for Jeju Air.

Which routes does only Jeju Air fly?

69 routes, including Cebu City/Lapu-Lapu City (CEB) to Daegu (TAE), Jeju City (CJU) to Cheongju (CJJ), Jeju City (CJU) to Seoul (GMP), Jeju City (CJU) to Hong Kong (HKG), Jeju City (CJU) to Seoul (ICN), and Jeju City (CJU) to Gwangju (KWJ), and 63 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 Jeju Air and Southwest Airlines overlap?

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

What would a Jeju Air and Southwest Airlines merger fly?

Merged, Jeju Air and Southwest Airlines would fly 1,163 nonstop routes to 173 airports in 29 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Jeju Air would gain 120 new airports and Southwest Airlines 53 new airports.

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