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Seats Frog guide

Allegiant Air vs United Airlines route maps

Allegiant Air flies 549 nonstop routes and United Airlines flies 1,109 nonstop routes. Both fly 13 routes, such as ATW–DEN, AVL–DEN, and AVL–EWR. 536 routes only on Allegiant Air, 1,096 routes only on United Airlines; both serve 92 airports. Routes checked October 27, 2026.

Routes both fly
13
Only G4
536
Only UA
1,096
Airports both serve
92
Routes to show on the map

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Routes both fly · 13

Route sources (including Wikipedia fallback): Allegiant Air ↗ (checked Oct 27, 2026), Allegiant Air ↗ (checked Oct 27, 2026), Allegiant Air ↗ (checked Oct 27, 2026), Allegiant Air ↗ (checked Oct 27, 2026) and 216 more.

Compare other airlines

Only Allegiant Air · 536

From Las Vegas LAS · 51

From Orlando SFB · 67

From Mesa AZA · 41

From Pinellas Park PIE · 62

From Fort Lauderdale FLL · 42

From Punta Gorda PGD · 39

From Sarasota/Bradenton SRQ · 37

From Valparaiso VPS · 33

From Nashville BNA · 23

From Myrtle Beach MYR · 22

From Cincinnati CVG · 12

From Des Moines DSM · 12

From Knoxville/Maryville TYS · 13

From Grand Rapids GRR · 8

From Asheville AVL · 9

From Indianapolis IND · 8

From Appleton ATW · 7

From Pittsburgh PIT · 7

From Santa Ana SNA · 9

From Gulf Shores GUF · 8

From Savannah SAV · 4

From Allentown/Bethlehem ABE · 4

From Jacksonville JAX · 3

From Flint FNT · 2

From Portland PDX · 3

From Columbus LCK · 2

From Austin AUS · 1

From Louisville SDF · 1

From Provo PVU · 3

From Bellingham BLI · 2

From Phoenix PHX · 1

Only United Airlines · 1096

From Chicago ORD · 214

From Denver DEN · 196

From Houston IAH · 180

From Newark EWR · 167

From San Francisco SFO · 115

From Washington IAD · 127

From Los Angeles LAX · 60

From Hagåtña GUM · 15

From Honolulu HNL · 6

From Cleveland CLE · 6

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 · 92

Quick answers

Do Allegiant Air and United Airlines fly the same routes?

Yes, 13 routes: Appleton (ATW) to Denver (DEN), Asheville (AVL) to Denver (DEN), Asheville (AVL) to Newark (EWR), Cincinnati (CVG) to Denver (DEN), Cincinnati (CVG) to Newark (EWR), Denver (DEN) to Knoxville/Maryville (TYS), Denver (DEN) to Peoria (PIA), Nashville (BNA) to Washington (IAD), Newark (EWR) to Grand Rapids (GRR), and Newark (EWR) to Knoxville/Maryville (TYS), and 3 more.

Which has more routes, Allegiant Air or United Airlines?

United Airlines, with 1,109 nonstop routes to 398 airports, against 549 routes to 125 airports for Allegiant Air.

Which airports do both Allegiant Air and United Airlines fly to?

Akron (CAK), Albany (ALB), Allentown/Bethlehem (ABE), Appleton (ATW), Asheville (AVL), Austin (AUS), Bangor (BGR), Belleville (BLV), Billings (BIL), Bismarck (BIS), Boise (BOI), Boston (BOS), Bozeman (BZN), Bridgeport (CKB), and Burbank (BUR), and 77 more.

Which routes does only Allegiant Air fly?

536 routes, including Allentown/Bethlehem (ABE) to Nashville (BNA), Allentown/Bethlehem (ABE) to Denver (DEN), Allentown/Bethlehem (ABE) to Fort Lauderdale (FLL), Allentown/Bethlehem (ABE) to Orlando (MCO), Allentown/Bethlehem (ABE) to Melbourne (MLB), and Allentown/Bethlehem (ABE) to Myrtle Beach (MYR), and 530 more.

Which routes does only United Airlines fly?

1,096 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 1090 more.

What is the longest route both Allegiant Air and United Airlines fly?

Asheville (AVL) to Denver (DEN), about 1,245 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.

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