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Spring Airlines vs Southwest Airlines route maps

Spring Airlines flies 278 nonstop routes and Southwest Airlines flies 1,094 nonstop routes. They fly none of the same routes. 278 routes only on Spring Airlines, 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 9C
278
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 Spring Airlines's routes Southwest Airlines also flies
0%
of Southwest Airlines's routes Spring Airlines also flies
0%

Routes both fly · 0

Spring Airlines and Southwest Airlines fly none of the same airport pairs.

Route sources (including Wikipedia fallback): Spring Airlines ↗ (checked Oct 27, 2026), Spring Airlines ↗ (checked Oct 27, 2026), Spring Airlines ↗ (checked Oct 27, 2026), Spring Airlines ↗ (checked Oct 27, 2026) and 67 more.

Compare other airlines

Only Spring Airlines · 278

From Shanghai SHA · 23

From Shanghai PVG · 47

From Shijiazhuang SJW · 34

From Lanzhou LHW · 35

From Ningbo NGB · 24

From Dalian DLC · 18

From Jieyang SWA · 15

From Shenzhen SZX · 14

From Xi'an XIY · 10

From Guangzhou CAN · 11

From Shenyang SHE · 9

From Changchun CGQ · 4

From Bangkok BKK · 3

From Chengdu TFU · 5

From Chongqing CKG · 3

From Yangzhou YTY · 3

From Jeju City CJU · 4

From Kunming KMG · 3

From Fuzhou FOC · 2

From Harbin HRB · 2

From Tianjin TSN · 2

From Changzhou CZX · 1

From Jinan TNA · 1

From Nanchang KHN · 1

From Enshi ENH · 1

From Hefei HFE · 1

From Xiamen XMN · 1

From Wuhan WUH · 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 Spring Airlines and Southwest Airlines merged

Merged, Spring Airlines and Southwest Airlines would fly 1,372 nonstop routes to 230 airports in 28 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Spring Airlines would gain 120 new airports and Southwest Airlines 110 new airports.

Merged nonstop routes
1,372
Airports served
230
Countries
28
Routes both fly today
0 (0%)

New for Spring Airlines · 120

New for Southwest Airlines · 110

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

Quick answers

Do Spring Airlines and Southwest Airlines fly the same routes?

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

Which has more routes, Spring Airlines or Southwest Airlines?

Southwest Airlines, with 1,094 nonstop routes to 120 airports, against 278 routes to 110 airports for Spring Airlines.

Which routes does only Spring Airlines fly?

278 routes, including Ankang (AKA) to Changzhou (CZX), Ankang (AKA) to Lanzhou (LHW), Aksu (AKU) to Guangzhou (CAN), Beihai (BHY) to Dalian (DLC), Kota Kinabalu (BKI) to Shanghai (PVG), and Bangkok (BKK) to Guangzhou (CAN), and 272 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 Spring Airlines and Southwest Airlines overlap?

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

What would a Spring Airlines and Southwest Airlines merger fly?

Merged, Spring Airlines and Southwest Airlines would fly 1,372 nonstop routes to 230 airports in 28 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Spring Airlines would gain 120 new airports and Southwest Airlines 110 new airports.

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