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Seats Frog guide

Delta Air Lines vs Frontier Airlines route maps

Delta Air Lines flies 1,053 nonstop routes and Frontier Airlines flies 442 nonstop routes. Both fly 141 routes, such as ATL–AUS, ATL–BWI, and ATL–BUF. 912 routes only on Delta Air Lines, 301 routes only on Frontier Airlines; both serve 91 airports. Routes checked October 27, 2026.

Routes both fly
141
Only DL
912
Only F9
301
Airports both serve
91
Routes to show on the map

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Routes both fly · 141

Route sources (including Wikipedia fallback): Delta Air Lines ↗ (checked Oct 27, 2026), Delta Air Lines ↗ (checked Oct 27, 2026), Delta Air Lines ↗ (checked Oct 27, 2026), Delta Air Lines ↗ (checked Oct 27, 2026) and 118 more.

Compare other airlines

Only Delta Air Lines · 912

From Atlanta ATL · 185

From Detroit DTW · 113

From Minneapolis MSP · 145

From Salt Lake City SLC · 87

From New York JFK · 100

From New York LGA · 72

From Los Angeles LAX · 43

From Seattle SEA · 51

From Boston BOS · 73

From Austin AUS · 19

From Washington DCA · 8

From Cincinnati CVG · 3

From Nashville BNA · 2

From Kansas City MCI · 3

From Raleigh RDU · 2

From Indianapolis IND · 1

From Amsterdam AMS · 2

From Honolulu HNL · 1

From Miami MIA · 1

From Orlando MCO · 1

Only Frontier Airlines · 301

From Denver DEN · 54

From Orlando MCO · 41

From Las Vegas LAS · 28

From Philadelphia PHL · 21

From Chicago MDW · 7

From Chicago ORD · 15

From Cincinnati CVG · 6

From Cleveland CLE · 13

From Dallas DFW · 23

From Miami MIA · 12

From Phoenix PHX · 17

From San Juan, Puerto Rico SJU · 11

From Tampa TPA · 15

From Ewing Township TTN · 3

From Houston IAH · 10

From Baltimore BWI · 4

From Cancún CUN · 2

From Fort Lauderdale FLL · 4

From Charlotte CLT · 1

From Fort Myers RSW · 4

From St. Louis STL · 2

From Washington IAD · 1

From San Diego SAN · 2

From San Francisco SFO · 2

From Raleigh RDU · 1

From Islip ISP · 2

Airports both serve · 91

Quick answers

Do Delta Air Lines and Frontier Airlines fly the same routes?

Yes, 141 routes: Atlanta (ATL) to Austin (AUS), Atlanta (ATL) to Baltimore (BWI), Atlanta (ATL) to Buffalo (BUF), Atlanta (ATL) to Cancún (CUN), Atlanta (ATL) to Chicago (MDW), Atlanta (ATL) to Chicago (ORD), Atlanta (ATL) to Cincinnati (CVG), Atlanta (ATL) to Cleveland (CLE), Atlanta (ATL) to Columbus (CMH), and Atlanta (ATL) to Dallas (DFW), and 131 more.

Which has more routes, Delta Air Lines or Frontier Airlines?

Delta Air Lines, with 1,053 nonstop routes to 323 airports, against 442 routes to 96 airports for Frontier Airlines.

Which airports do both Delta Air Lines and Frontier Airlines fly to?

Atlanta (ATL), Austin (AUS), Baltimore (BWI), Bogotá (BOG), Boise (BOI), Boston (BOS), Buffalo (BUF), Burbank (BUR), Cancún (CUN), Cartagena (CTG), Cedar Rapids (CID), Charlotte (CLT), Chicago (MDW), Chicago (ORD), and Cincinnati (CVG), and 76 more.

Which routes does only Delta Air Lines fly?

912 routes, including Albuquerque (ABQ) to Los Angeles (LAX), Albuquerque (ABQ) to Seattle (SEA), Albuquerque (ABQ) to Salt Lake City (SLC), Accra (ACC) to New York (JFK), Nantucket (ACK) to New York (JFK), and Amsterdam (AMS) to New York (JFK), and 906 more.

Which routes does only Frontier Airlines fly?

301 routes, including Austin (AUS) to San Diego (SAN), Windsor Locks (BDL) to Orlando (MCO), Windsor Locks (BDL) to Miami (MIA), Windsor Locks (BDL) to San Juan, Puerto Rico (SJU), Nashville (BNA) to Cleveland (CLE), and Nashville (BNA) to Denver (DEN), and 295 more.

What is the longest route both Delta Air Lines and Frontier Airlines fly?

Los Angeles (LAX) to Orlando (MCO), about 2,214 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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