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Aer Lingus vs Southwest Airlines route maps

Aer Lingus flies 130 nonstop routes and Southwest Airlines flies 1,094 nonstop routes. They fly none of the same routes. 130 routes only on Aer Lingus, 1,094 routes only on Southwest Airlines; both serve 15 airports. Routes checked October 27, 2026.

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Routes both fly
0
Only EI
130
Only WN
1,094
Airports both serve
15

Route overlap

of all routes either flies are flown by both
0%
of the airports either serves are served by both
7%
of Aer Lingus's routes Southwest Airlines also flies
0%
of Southwest Airlines's routes Aer Lingus also flies
0%

Routes both fly · 0

Aer Lingus and Southwest Airlines fly none of the same airport pairs, though both fly to 15 of the same airports (listed below).

Route sources (including Wikipedia fallback): Aer Lingus ↗ (checked Oct 27, 2026), Aer Lingus ↗ (checked Oct 27, 2026), Aer Lingus ↗ (checked Oct 27, 2026), Aer Lingus ↗ (checked Oct 27, 2026) and 48 more.

Compare other airlines

Only Aer Lingus · 130

From Dublin DUB · 99

From Cork ORK · 16

From Belfast BHD · 10

From Shannon SNN · 3

From London LHR · 2

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 · 15

If Aer Lingus and Southwest Airlines merged

Merged, Aer Lingus and Southwest Airlines would fly 1,224 nonstop routes to 211 airports in 38 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Aer Lingus would gain 105 new airports and Southwest Airlines 91 new airports.

Merged nonstop routes
1,224
Airports served
211
Countries
38
Routes both fly today
0 (0%)

New for Aer Lingus · 105

New for Southwest Airlines · 91

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

Quick answers

Do Aer Lingus and Southwest Airlines fly the same routes?

No. Their route maps have no airport pair in common, though both fly to 15 airports.

Which has more routes, Aer Lingus or Southwest Airlines?

Southwest Airlines, with 1,094 nonstop routes to 120 airports, against 130 routes to 106 airports for Aer Lingus.

Which airports do both Aer Lingus and Southwest Airlines fly to?

Boston (BOS), Cancún (CUN), Cleveland (CLE), Indianapolis (IND), Las Vegas (LAS), Los Angeles (LAX), Miami (MIA), Nashville (BNA), Orlando (MCO), Philadelphia (PHL), Pittsburgh (PIT), Raleigh (RDU), San Francisco (SFO), Seattle (SEA), and Windsor Locks (BDL).

Which routes does only Aer Lingus fly?

130 routes, including Aberdeen (ABZ) to Dublin (DUB), Amsterdam (AMS) to Dublin (DUB), Berlin (BER) to Dublin (DUB), Belfast (BHD) to Birmingham (BHX), Belfast (BHD) to Cardiff (CWL), and Belfast (BHD) to Edinburgh (EDI), and 124 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 Aer Lingus and Southwest Airlines overlap?

0% of the routes either airline flies are flown by both. That is 0% of Aer Lingus's routes and 0% of Southwest Airlines's; 7% of the airports either serves are served by both.

What would a Aer Lingus and Southwest Airlines merger fly?

Merged, Aer Lingus and Southwest Airlines would fly 1,224 nonstop routes to 211 airports in 38 countries. They fly none of the same routes today, so a merger would add to each network without removing a competitor on any route. Aer Lingus would gain 105 new airports and Southwest Airlines 91 new airports.

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