|
| Destination | Airline |
| Alamosa, CO (ALS) | Key Lime Air (Direct) |
| Albany, NY (ALB) | Southwest Airlines (Direct) United Airlines (Non-Direct) |
| Albuquerque, NM (ABQ) | Southwest Airlines (Direct) United Airlines (Direct) |
| Allentown, PA (ABE) | Allegiant Air (Direct) |
| Alliance, NE (AIA) | Key Lime Air (Direct) |
| Amarillo, TX (AMA) | Southwest Airlines (Non-Direct) United Airlines (Direct) |
| Anchorage, AK (ANC) | Alaska Airlines (Direct) United Airlines (Direct) |
| Appleton, WI (ATW) | Allegiant Air (Direct) United Airlines (Direct) |
| Arcata/Eureka, CA (ACV) | United Airlines (Direct) |
| Asheville/Hendersonville, NC (AVL) | Allegiant Air (Direct) United Airlines (Direct) |
| Aspen, CO (ASE) | United Airlines (Direct) |
| Atlanta, GA (ATL) | Delta Air Lines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Austin, TX (AUS) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Bakersfield, CA (BFL) | United Airlines (Direct) |
| Baltimore, MD (BWI) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Billings, MT (BIL) | United Airlines (Direct) |
| Birmingham, AL (BHM) | Southwest Airlines (Direct) United Airlines (Direct) |
| Bishop, CA (BIH) | United Airlines (Direct) |
| Bismarck, ND (BIS) | United Airlines (Direct) |
| Boise, ID (BOI) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Boston Logan, MA (BOS) | Delta Air Lines (Direct) JetBlue (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Bozeman, MT (BZN) | Southwest Airlines (Direct) United Airlines (Direct) |
| Buffalo, NY (BUF) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Burbank, CA (BUR) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Burlington, VT (BTV) | United Airlines (Direct) |
| Butte, MT (BTM) | United Airlines (Direct) |
| Casper, WY (CPR) | United Airlines (Direct) |
| Cedar Rapids, IA (CID) | Frontier Airlines (Direct) United Airlines (Direct) |
| Chadron, NE (CDR) | Southern Airways Express (Direct) |
| Charleston, SC (CHS) | Southwest Airlines (Direct) United Airlines (Direct) |
| Charlotte, NC (CLT) | American Airlines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Cheyenne, WY (CYS) | United Airlines (Direct) |
| Chicago O'Hare, IL (ORD) | American Airlines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Cincinnati, OH (CVG) | Allegiant Air (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Cleveland Hopkins, OH (CLE) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Clovis, NM (CVN) | Key Lime Air (Direct) |
| Cody, WY (COD) | United Airlines (Direct) |
| Colorado Springs, CO (COS) | Southwest Airlines (Direct) United Airlines (Direct) |
| Cortez, CO (CEZ) | Key Lime Air (Direct) |
| Dallas Fort Worth, TX (DFW) | American Airlines (Direct) Frontier Airlines (Direct) United Airlines (Direct) |
| Dayton, OH (DAY) | United Airlines (Direct) |
| Des Moines, IA (DSM) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Detroit, MI (DTW) | Delta Air Lines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Devils Lake, ND (DVL) | United Airlines (Direct) |
| Dickinson, ND (DIK) | United Airlines (Direct) |
| Dodge City, KS (DDC) | United Airlines (Direct) |
| Dulles, Washington, DC (IAD) | Southwest Airlines (Direct) United Airlines (Direct) |
| Durango, CO (DRO) | United Airlines (Direct) |
| El Paso, TX (ELP) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Eugene, OR (EUG) | Southwest Airlines (Direct) United Airlines (Direct) |
| Everett, WA (PAE) | Frontier Airlines (Direct) |
| Fairbanks, AK (FAI) | United Airlines (Direct) |
| Fargo, ND (FAR) | Frontier Airlines (Direct) United Airlines (Direct) |
| Farmington, NM (FMN) | United Airlines (Direct) |
| Fayetteville/Springdale, AR (XNA) | Frontier Airlines (Direct) United Airlines (Direct) |
| Fort Lauderdale, FL (FLL) | Southwest Airlines (Direct) United Airlines (Direct) |
| Fort Myers, FL (RSW) | Southwest Airlines (Direct) United Airlines (Direct) |
| Fresno, CA (FAT) | Southwest Airlines (Direct) United Airlines (Direct) |
| George Bush, Houston, TX (IAH) | Frontier Airlines (Direct) United Airlines (Direct) |
| Gillette, WY (GCC) | United Airlines (Direct) |
| Grand Junction, CO (GJT) | United Airlines (Direct) |
| Grand Rapids, MI (GRR) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Great Falls, MT (GTF) | United Airlines (Direct) |
| Green Bay, WI (GRB) | Frontier Airlines (Direct) |
| Greensboro/High Point, NC (GSO) | United Airlines (Direct) |
| Greenville/Spartanburg, SC (GSP) | Southwest Airlines (Direct) United Airlines (Direct) |
| Gunnison, CO (GUC) | United Airlines (Direct) |
| Hailey/Sun Valley, ID (SUN) | United Airlines (Direct) |
| Harlingen, TX (HRL) | Southwest Airlines (Non-Direct) |
| Hartford, CT (BDL) | Southwest Airlines (Direct) United Airlines (Direct) |
| Hayden, CO (HDN) | Southwest Airlines (Direct) United Airlines (Direct) |
| Hays, KS (HYS) | United Airlines (Direct) |
| Helena, MT (HLN) | United Airlines (Direct) |
| Hobbs, NM (HOB) | United Airlines (Direct) |
| Honolulu, HI (HNL) | United Airlines (Direct) |
| Houston Hobby, TX (HOU) | Southwest Airlines (Direct) |
| Huntsville, AL (HSV) | United Airlines (Direct) |
| Idaho Falls, ID (IDA) | Allegiant Air (Direct) United Airlines (Direct) |
| Indianapolis, IN (IND) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Islip, NY (ISP) | Southwest Airlines (Non-Direct) |
| Jackson, WY (JAC) | United Airlines (Direct) |
| Jackson, MS (JAN) | Southwest Airlines (Non-Direct) |
| Jacksonville, FL (JAX) | Southwest Airlines (Direct) United Airlines (Direct) |
| Jamestown, ND (JMS) | United Airlines (Direct) |
| John Glenn Columbus, OH (CMH) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Joplin, MO (JLN) | United Airlines (Direct) |
| Kahului, HI (OGG) | United Airlines (Direct) |
| Kalispell, MT (FCA) | United Airlines (Direct) |
| Kansas City, MO (MCI) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Kearney, NE (EAR) | United Airlines (Direct) |
| Knoxville, TN (TYS) | Allegiant Air (Direct) Frontier Airlines (Direct) United Airlines (Direct) |
| Kona, HI (KOA) | United Airlines (Direct) |
| Laramie, WY (LAR) | United Airlines (Direct) |
| Las Vegas Harry Reid, NV (LAS) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Lexington, KY (LEX) | United Airlines (Direct) |
| Liberal, KS (LBL) | United Airlines (Direct) |
| Lihue, HI (LIH) | United Airlines (Direct) |
| Lincoln, NE (LNK) | United Airlines (Direct) |
| Little Rock, AR (LIT) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Long Beach, CA (LGB) | Southwest Airlines (Direct) |
| Los Angeles, CA (LAX) | American Airlines (Direct) Delta Air Lines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Louisville, KY (SDF) | Southwest Airlines (Direct) United Airlines (Direct) |
| Love Field, Dallas, TX (DAL) | Southwest Airlines (Direct) |
| Lubbock, TX (LBB) | Southwest Airlines (Direct) United Airlines (Direct) |
| Madison, WI (MSN) | Frontier Airlines (Direct) United Airlines (Direct) |
| Manchester, NH (MHT) | Southwest Airlines (Non-Direct) |
| McCook, NE (MCK) | Key Lime Air (Direct) |
| Medford, OR (MFR) | United Airlines (Direct) |
| Memphis, TN (MEM) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Miami, FL (MIA) | American Airlines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Midland, TX (MAF) | Southwest Airlines (Direct) United Airlines (Direct) |
| Midway, Chicago, IL (MDW) | Frontier Airlines (Direct) Southwest Airlines (Direct) |
| Milwaukee, WI (MKE) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Minneapolis/Saint Paul, MN (MSP) | Delta Air Lines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) Sun Country Airlines (Direct) United Airlines (Direct) |
| Minot, ND (MOT) | United Airlines (Direct) |
| Missoula, MT (MSO) | Frontier Airlines (Direct) United Airlines (Direct) |
| Moab, UT (CNY) | Contour Aviation (Direct) |
| Moline, IL (MLI) | United Airlines (Direct) |
| Monterey/Carmel, CA (MRY) | United Airlines (Direct) |
| Montrose, CO (MTJ) | Southwest Airlines (Direct) United Airlines (Direct) |
| Myrtle Beach, SC (MYR) | Southwest Airlines (Direct) United Airlines (Direct) |
| Nashville, TN (BNA) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| New Orleans, LA (MSY) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| New York John F. Kennedy, NY (JFK) | Delta Air Lines (Direct) JetBlue (Direct) |
| New York LaGuardia, NY (LGA) | Delta Air Lines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Newark Liberty, New York, NY (EWR) | United Airlines (Direct) |
| Norfolk, VA (ORF) | Southwest Airlines (Direct) United Airlines (Direct) |
| North Bend, OR (OTH) | United Airlines (Direct) |
| North Platte, NE (LBF) | United Airlines (Direct) |
| Oakland, CA (OAK) | Southwest Airlines (Direct) |
| Oklahoma City, OK (OKC) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Omaha, NE (OMA) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Ontario, Los Angeles, CA (ONT) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Orlando, FL (MCO) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Palm Springs, CA (PSP) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Panama City, FL (ECP) | Southwest Airlines (Direct) United Airlines (Direct) |
| Pasco, WA (PSC) | United Airlines (Direct) |
| Pensacola, FL (PNS) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Peoria, IL (PIA) | Allegiant Air (Direct) United Airlines (Direct) |
| Philadelphia, PA (PHL) | American Airlines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Phoenix Sky Harbor, AZ (PHX) | American Airlines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Pierre, SD (PIR) | Key Lime Air (Direct) United Airlines (Direct) |
| Pittsburgh, PA (PIT) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Portland, OR (PDX) | Alaska Airlines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Portland, ME (PWM) | Southwest Airlines (Non-Direct) United Airlines (Direct) |
| Prescott, AZ (PRC) | United Airlines (Direct) |
| Providence, RI (PVD) | Breeze Airways (Direct) Southwest Airlines (Direct) |
| Pueblo, CO (PUB) | Key Lime Air (Direct) |
| Raleigh/Durham, NC (RDU) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Rapid City, SD (RAP) | United Airlines (Direct) |
| Redding, CA (RDD) | United Airlines (Direct) |
| Redmond/Bend, OR (RDM) | United Airlines (Direct) |
| Reno, NV (RNO) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Richmond, VA (RIC) | Southwest Airlines (Direct) United Airlines (Direct) |
| Riverton, WY (RIW) | United Airlines (Direct) |
| Rochester, NY (ROC) | Southwest Airlines (Non-Direct) |
| Rock Springs, WY (RKS) | United Airlines (Direct) |
| Ronald Reagan Washington, DC (DCA) | Frontier Airlines (Direct) Southwest Airlines (Non-Direct) United Airlines (Direct) |
| Sacramento, CA (SMF) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Saint George, UT (SGU) | United Airlines (Direct) |
| Saint Louis, MO (STL) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Salina, KS (SLN) | United Airlines (Direct) |
| Salt Lake City, UT (SLC) | Delta Air Lines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| San Antonio, TX (SAT) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| San Diego, CA (SAN) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| San Francisco, CA (SFO) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| San Jose, CA (SJC) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| San Luis Obispo, CA (SBP) | United Airlines (Direct) |
| Santa Ana, CA (SNA) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Santa Barbara, CA (SBA) | Southwest Airlines (Direct) United Airlines (Direct) |
| Santa Fe, NM (SAF) | United Airlines (Direct) |
| Sarasota/Bradenton, FL (SRQ) | Southwest Airlines (Direct) United Airlines (Direct) |
| Savannah, GA (SAV) | Southwest Airlines (Direct) United Airlines (Direct) |
| Scottsbluff, NE (BFF) | United Airlines (Direct) |
| Seattle-Tacoma, WA (SEA) | Alaska Airlines (Direct) Delta Air Lines (Direct) Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Sheridan, WY (SHR) | United Airlines (Direct) |
| Shreveport, LA (SHV) | United Airlines (Direct) |
| Sioux City, IA (SUX) | United Airlines (Direct) |
| Sioux Falls, SD (FSD) | Frontier Airlines (Direct) United Airlines (Direct) |
| Spokane, WA (GEG) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Springfield, MO (SGF) | United Airlines (Direct) |
| Stockton Metropolitan, Sacramento, CA (SCK) | Allegiant Air (Direct) |
| Syracuse, NY (SYR) | United Airlines (Direct) |
| Tampa, FL (TPA) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Telluride, CO (TEX) | Key Lime Air (Direct) |
| Traverse City, MI (TVC) | United Airlines (Direct) |
| Tucson, AZ (TUS) | Frontier Airlines (Direct) Southwest Airlines (Direct) United Airlines (Direct) |
| Tulsa, OK (TUL) | Southwest Airlines (Direct) United Airlines (Direct) |
| Vail/Eagle, CO (EGE) | United Airlines (Direct) |
| Vernal, UT (VEL) | Contour Aviation (Direct) |
| Watertown, SD (ATY) | Key Lime Air (Direct) United Airlines (Direct) |
| West Palm Beach, FL (PBI) | Southwest Airlines (Non-Direct) United Airlines (Direct) |
| West Yellowstone, MT (WYS) | United Airlines (Direct) |
| Wichita, KS (ICT) | Southwest Airlines (Direct) United Airlines (Direct) |
| Williston, ND (XWA) | United Airlines (Direct) |
| Wilmington, NC (ILM) | United Airlines (Direct) |