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Aer Lingus vs United Airlines route maps

Aer Lingus flies 130 nonstop routes and United Airlines flies 1,105 nonstop routes. Both fly 3 routes (0% overlap), such as DUB–ORD, DUB–EWR, and DUB–IAD. 127 routes only on Aer Lingus, 1,102 routes only on United Airlines; both serve 51 airports. Routes checked October 27, 2026.

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Routes both fly
3
Only EI
127
Only UA
1,102
Airports both serve
51

Route overlap

of all routes either flies are flown by both
0%
of the airports either serves are served by both
11%
of Aer Lingus's routes United Airlines also flies
2%
of United Airlines's routes Aer Lingus also flies
0%

Routes both fly · 3

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 204 more.

Compare other airlines

Only Aer Lingus · 127

From Dublin DUB · 96

From Cork ORK · 16

From Belfast BHD · 10

From Shannon SNN · 3

From London LHR · 2

Only United Airlines · 1102

From Chicago ORD · 212

From Denver DEN · 201

From Houston IAH · 179

From Newark EWR · 170

From San Francisco SFO · 114

From Washington IAD · 130

From Los Angeles LAX · 60

From Hagåtña GUM · 15

From Cleveland CLE · 6

From Honolulu HNL · 5

From Tokyo NRT · 5

From Key West EYW · 1

From Hong Kong HKG · 2

From Babelthuap Island ROR · 1

From Vieux Fort UVF · 1

Airports both serve · 51

If Aer Lingus and United Airlines merged

Merged, Aer Lingus and United Airlines would fly 1,232 nonstop routes to 450 airports in 87 countries. 3 routes (0% of the combined network) are flown by both today, where a merger would end head-to-head competition. Aer Lingus would gain 344 new airports and United Airlines 55 new airports.

Merged nonstop routes
1,232
Airports served
450
Countries
87
Routes both fly today
3 (0%)

New for Aer Lingus · 344

New for United Airlines · 55

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

Quick answers

Do Aer Lingus and United Airlines fly the same routes?

Yes, 3 routes: Dublin (DUB) to Chicago (ORD), Dublin (DUB) to Newark (EWR), and Dublin (DUB) to Washington (IAD).

Which has more routes, Aer Lingus or United Airlines?

United Airlines, with 1,105 nonstop routes to 395 airports, against 130 routes to 106 airports for Aer Lingus.

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

Amsterdam (AMS), Athens (ATH), Barcelona (BCN), Berlin (BER), Bilbao (BIO), Boston (BOS), Brussels (BRU), Cancún (CUN), Catania (CTA), Chicago (ORD), Cleveland (CLE), Dublin (DUB), Dubrovnik (DBV), Edinburgh (EDI), and Faro (FAO), and 36 more.

Which routes does only Aer Lingus fly?

127 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 121 more.

Which routes does only United Airlines fly?

1,102 routes, including Allentown/Bethlehem (ABE) to Chicago (ORD), Abilene (ABI) to Denver (DEN), Abilene (ABI) to Houston (IAH), Albuquerque (ABQ) to Denver (DEN), Albuquerque (ABQ) to Washington (IAD), and Albuquerque (ABQ) to Houston (IAH), and 1096 more.

What is the longest route both Aer Lingus and United Airlines fly?

Dublin (DUB) to Chicago (ORD), about 3,663 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 Aer Lingus and United Airlines overlap?

0% of the routes either airline flies are flown by both. That is 2% of Aer Lingus's routes and 0% of United Airlines's; 11% of the airports either serves are served by both.

What would a Aer Lingus and United Airlines merger fly?

Merged, Aer Lingus and United Airlines would fly 1,232 nonstop routes to 450 airports in 87 countries. 3 routes (0% of the combined network) are flown by both today, where a merger would end head-to-head competition. Aer Lingus would gain 344 new airports and United Airlines 55 new airports.

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