Domestic Service

Alabama (AL)

Birmingham (BHM)

- United, Year-round
- Frontier, Seasonal

Huntsville (HSV)

- United, Year-round

 

 

Alaska (AK)

Anchorage (ANC)

- United, Year-round

 

 

Arizona (AZ)

Phoenix (PHX)

- American, Year-round
- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

Tuscon (TUS)

- Southwest, Year-round
- United, Year-round

 

Arkansas (AR)

Fayetteville (XNA)

- United, Year-round

 

Little Rock (LIT)

- Frontier, Seasonal
- United, Year-round

 

 

 

California (CA)

Bakersfield (BFL)

- United, Year-round

 

Burbank (BUR)

- Southwest, Year-round
- United, Year-round

 

Fresno (FAT)

- United, Year-round

 

Long Beach (LGB)

- Southwest, Year-round
 

 

Los Angeles (LAX)

- American,Year-round
- Delta, Year-round
- Frontier, Year-round
- Southwest, Year-round
- Spirit, Year-round
- United, Year-round

 

Oakland (OAK)

- Southwest, Year-round
 

 

Ontario (ONT)

- Fronter, Year-round
- Southwest, Year-round
- United, Year-round

 

Orange County (SNA)

- Fronter, Year-round
- Southwest, Year-round
- United, Year-round
 

 

Palm Springs (PSP)

- Frontier, Seasonal
- United, Year-round

 

Sacramento (SMF)

- Southwest, Year-round
- United, Year-round
 

 

San Diego (SAN)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

San Francisco (SFO)

- Alaska Airlines, Year-round
- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

San Jose (SJC)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

San Luis Obispo (SBP)

- United, Year-round
 

 

Santa Barbara (SBA)

- United, Year-round
 

 

 

Colorado (CO)

Alamosa (ALS)

- Boutique Air, Year-round
 

Aspen (ASE)

- United, Year-round
 

 

Colorado Springs (COS)

- United, Year-round
 

 

Cortez (CEZ)

- Boutique Air, Year-round
 

 

Durango (DRO)

- United, Year-round
 

 

Grand Junction (GJT)

- United, Year-round

 

Gunnison (GUC)

- United, Year-round

 

Montrose (MTJ)

- United, Year-round

 

Pueblo (PUB)

- United, Year-round

 

Steamboat Springs (HDN)

- United, Year-round

 

Vail (EGE)

- United, Year-round

 

 

Connecticut (CT)

Hartford (BDL)

- Southwest, Year-round
- United, Year-round

 

 

Delaware (DE)

No Nonstop Service

 

 

Florida (FL)

Fort Lauderdale (FLL)

- Southwest, Year-round
- Spirit, Year-round
- United, Year-round

 

Fort Myers (RSW)

- Frontier, Seasonal
- Southwest, Seasonal
- United, Seasonal

 

Jacksonville (JAX)

- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round

 

Miami (MIA)

- American, Year-round
- Frontier, Year-round
- United, Seasonal

 

Orlando (MCO)

- Fronter, Year-round
- Southwest, Year-round
- United, Year-round

 

Pensacola (PNS)

- Fronter, Seasonal

Tampa (TPA)

- Fronter, Year-round
- Southwest, Year-round
- United, Year-round

 

 

Georgia (GA)

Atlanta (ATL)

- Delta, Year-round
- Fronter, Year-round
- Southwest, Year-round
- United, Year-round

 

 

Hawaii (HI)

Honolulu/Oahu (HNL)

- United, Year-round

 

Kahului/Maui (OGG)

- United, Year-round

 

Kona/Hawaii (KOA)

- United, Year-round

 

 

Lihue/Kauai (LIH)

- United, Year-round

 

 

Idaho (ID)

Boise (BOI)

- Frontier, Seasonal 
- Southwest, Year-round
- United, Year-round

 

Idaho Falls (IDA)

- United, Year-round

 

Sun Valley (SUN)

- United, Seasonal

 

 

Illinois (IL)

Chicago-Midway (MDW)

- Southwest, Year-round

 

Chicago-O'Hare (ORD)

- American, Year-round
- Frontier, Year-round
- Spirit, Year-round
- United, Year-round

 

Moline (MLI)

- United, Year-round

 

 

Indiana (IN)

Indianapolis (IND)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

 

Iowa (IA)

Cedar Rapids (CID)

- Frontier, Seasonal
- United, Year-round

 

Des Moines (DSM)

- Frontier, Year-round
- United, Year-round

 

 

Kansas (KS)

Dodge City (DDC)

- Boutique Air, Year-round

 

Hays (HYS)

- United, Year-round

 

Liberal (LBL)

- United, Year-round

 

Salina (SLN)

- Great Lakes, Year-round

 

Wichita (ICT)

- United, Year-round

 

 

Kentucky (KY)

Louisville (SDF)

- Southwest, Year-round
- United, Year-round

 

 

Louisiana (LA)

New Orleans (MSY)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

Shreveport (SHV)

- United, Year-round

 

 

Maine (ME)

No Nonstop Service

 

 

Maryland (MD)

Baltimore (BWI)

- Spirit, Year-round 
- Southwest, Year-round
- United, Year-round

 

 

Massachusetts (MA)

Boston (BOS)

- JetBlue, Year-round
- Southwest, Year-round
- United, Year-round

 

 

Michigan (MI)

Detroit (DTW)

- Delta, Year-round
- Frontier, Seasonal
- Southwest, Year-round
- Spirit, Year-round
- United, Year-round

 

Grand Rapids (GRR)

- Frontier, Seasonal
Southwest, Year-round
- United, Year-round

 

Traverse City (TVC)

- United, Seasonal

 

 

Minnesota (MN)

Minneapolis/St. Paul (MSP)

- Delta, Year-round
- Frontier, Year-round
- Southwest, Year-round
- Spirit, Seasonal
- Sun Country, Year-round
- United, Year-round

 

 

Mississippi (MS)

No Nonstop Service

 

 

Missouri (MO)

Columbia (COU))

- United, Year-round

 

Kansas City (MCI)

- Fronter, Year-round
- Southwest, Year-round
- United, Year-round
 

 

Springfield (SGF)

- United, Year-round
 

 

 

St. Louis (STL)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

 

Montana (MT)

Billings (BIL)

- United, Year-round

 

Bozeman (BZN)

- Frontier, Seasonal
- United, Year-round
 

 

Great Falls (GTF)

- United, Year-round
 

 

Helena (HLN)

- United, Year-round
 

 

Kalispell-Glacier (FCA)

- United, Year-round
 

 

Missoula (MSO)

- Frontier, Seasonal
- United, Year-round
 

 

 

Nebraska (NE)

Alliance (AIA)

- Boutique Air, Year-round

 

Chadron (CDR)

- Boutique Air, Year-round
 

 

Lincoln (LNK)

- United, Year-round
 

 

McCook (MCK)

- Boutique Air, Year-round
 

 

North Platte (LBF)

- United, Year-round
 

 

Omaha (OMA)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

Scottsbluff (BFF)

- United, Year-round
 

 

 

Nevada (NV)

Las Vegas (LAS)

- Frontier, Year-round
- Southwest, Year-round
- Spirit, Year-round
- United, Year-round

 

Reno (RNO)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

 

New Hampshire (NH)

No Nonstop Service

 

 

New Jersey (NJ)

Newark (EWR)

- Southwest, Year-round
- United, Year-round

 

 

New Mexico (NM)

Albuquerque (ABQ)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

Santa Fe (SAF)

- United, Year-round
 

 

 

New York (NY)

Albany (ALB)

- Southwest, Year-round

 

Buffalo (BUF)

- Fronter, Seasonal
 

 

New York - JFK (JFK)

- Delta, Year-round
- JetBlue, Year-round
 

 

New York - La Guardia (LGA)

- Delta, Year-round
- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round
 

 

 

North Carolina (NC)

Charlotte-Douglas (CLT)

- American, Year-round
- Frontier, Year-round
- United, Year-round

 

Greensboro (GSO)

- Frontier, Seasonal
 

 

Raleigh (RDU)

- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round
 

 

 

North Dakota (ND)

Bismarck (BIS)

- Frontier, Seasonal
- United, Year-round

 

Devils Lake (DVL)

- United, Year-round
 

 

Dickinson (DIK)

- United, Year-round
 

 

Fargo (FAR)

- United, Year-round
 

 

Jamestown (JMS)

- United, Year-round
 

 

Minot (MOT)

- United, Year-round
 

 

Williston (ISN)

- United, Year-round
 

 

 

Ohio (OH)

Cincinnati (CVG)

- Allegiant, Year-round
- Delta, Year-round
- Frontier, Year-round
- United, Year-round

 

Cleveland (CLE)

- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round
 

 

Columbus (CMH)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

Dayton (DAY)

- United, Year-round
 

 

 

Oklahoma (OK)

Oklahoma City (OKC)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round

 

Tulsa (TUL)

- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round

 

 

 

Oregon (OR)

Eugene (EUG)

- United, Year-round

 

Medford (MFR)

- United, Year-round
 

 

North Bend (OTH)

- United, Seasonal

 

Portland (PDX)

- Frontier, Year-round
- Southweset, Year-round
- United, Year-round
 

 

Redmond (RDM)

- United, Year-round
 

 

 

Pennsylvania (PA)

Philadelphia (PHL)

- American, Year-round
- Frontier, Year-round
- Southweset, Year-round
- United, Year-round

 

Pittsburgh (PIT)

- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round
 

 

 

Rhode Island (RI)

Providence (PVD)

- Frontier, Seasonal

 

 

South Carolina (SC)

Charleston (CHS)

- Frontier, Seasonal
- Southwest, Seasonal

 

 

South Dakota (SD)

Pierre (PIR)

- Great Lakes, Year-round

 

Rapid City (RAP)

- United, Year-round
 

 

Sioux Falls (FSD)

- Frontier, Seasonal
- United, Year-round
 

 

 

Tennessee (TN)

Knoxville (TYS)

- Frontier, Seasonal
- United, Year-round

 

Memphis (MEM)

- Frontier, Year-round
- United, Year-round
 

 

Nashville (BNA)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

 

Texas (TX)

Amarillo (AMA)

- United, Year-round

 

Austin (AUS)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

Dallas/Ft. Worth (DFW)

- American, Year-round
- Frontier, Year-round
- Spirit, Year-round
- United, Year-round
 

 

Dallas-Love (DAL)

- Southwest, Year-round
 

 

El Paso (ELP)

- Frontier, Seasonal 
- United, Year-round
 

 

Houston - Hobby (HOU)

- Southwest, Year-round
 

 

Houston - Intercontinental (IAH)

- Frontier, Year-round
- Spirit, Year-round
- United, Year-round
 

 

Lubbock (LBB)

- United, Year-round
 

 

Midland (MAF)

- United, Year-round
 

 

San Antonio (SAT)

- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round
 

 

 

Utah (UT)

Moab (CNY)

- Boutique Air, Year-round

 

Salt Lake City (SLC)

- Delta, Year-round
- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

St. George (SGU)

- United, Year-round
 

 

Vernal (VEL)

- Boutique Air, Year-round
 

 

 

Vermont (VT)

No Nonstop Service

 

 

Virginia (VA)

Norfolk (ORF)

- Southwest, Seasonal

 

Richmond (RIC)

- United, Year-round
 

 

 

Washington (WA)

Pasco (PSC)

- United, Year-round

 

Seattle (SEA)

- Alaska Airlines, Year-round
- Delta, Year-round
- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

Spokane (GEG)

- Frontier, Seasonal
- Southwest, Year-round
- United, Year-round
 

 

 

Washington, D.C.

Washington (DCA)

- Frontier, Year-round
- United, Year-round

 

Washington (IAD)

- Fronter, Seasonal
- Southwest, Year-round
- United, Year-round
 

 

 

West Virginia (WV)

No Nonstop Service

 

 

Wisconsin (WI)

Madison (MSN)

- Frontier, Year-round
- United, Year-round

 

Milwaukee (MKE)

- Frontier, Year-round
- Southwest, Year-round
- United, Year-round
 

 

 

Wyoming (WY)

Casper (CPR)

- United, Year-round

 

Cody (COD)

- United, Year-round

 

 

Gillette (GCC)

- United, Year-round

 

 

Jackson Hole (JAC)

- United, Year-round

 

 

Laramie (LAR)

- United, Year-round

 

 

Riverton (RIW)

- Denver Air Connection, Year-round

 

 

Rock Springs (RKS)

- United, Year-round

Sheridan (SHR)

- Denver Air Connection, Year-round