| Airport | Soundings |
|---|---|
| Chicago/Ohare, IL (ORD) | 817 |
| Denver, CO (DEN) | 601 |
| Louisville, KY (SDF) | 398 |
| Sn Francisco Int, CA (SFO) | 341 |
| Los Angeles, CA (LAX) | 285 |
| Anchorage Int'L, AK (ANC) | 178 |
| Seattle, WA (SEA) | 166 |
| Dallas/Fort Worth, T (DFW) | 154 |
| Newark Intl, NJ (EWR) | 126 |
| Memphis Intl, TN (MEM) | 124 |
| Philadelphia, PA (PHL) | 106 |
| Dulles Intl, VA (IAD) | 97 |
| Ontario Intl, CA (ONT) | 94 |
| Boston, MA (BOS) | 93 |
| Las Vegas/McCrrn, NV (LAS) | 91 |
| Portland, OR (PDX) | 88 |
| Phoenix/Sky Hrbr, AZ (PHX) | 85 |
| Orlando Jetport, FL (MCO) | 80 |
| Miami Intl, FL (MIA) | 73 |
| Rockford, IL (RFD) | 69 |
| Oakland, CA (OAK) | 66 |
| Indianapolis, IN (IND) | 63 |
| New York (La Guardia (LGA) | 51 |
| Des Moines, IA (DSM) | 48 |
| Salt Lake City, UT (SLC) | 48 |
| Boise, ID (BOI) | 47 |
| Reno/Cannon Intl, NV (RNO) | 47 |
| Detroit Metro, MI (DTW) | 45 |
| Sn Diego/Lndbrgh, CA (SAN) | 45 |
| Manchester, NH (MHT) | 44 |
| Honolulu, HI (HNL) | 43 |
| New Orleans Intl, LA (MSY) | 42 |
| Sacramento Metro, CA (SMF) | 42 |
| Vancouver, BC (YVR) | 41 |
| Calgary, AB (YYC) | 40 |
| Eugene, OR (EUG) | 35 |
| Taipei - Chiang Kais (TPE) | 35 |
| Omaha/Eppley, NE (OMA) | 34 |
| Portland, ME (PWM) | 34 |
| Columbia Metro, SC (CAE) | 32 |
| Houston Intl, TX (IAH) | 32 |
| Mineapolis-St Pl, MN (MSP) | 32 |
| Ellington/Huston, TX (EFD) | 31 |
| Charlotte/Dougls, NC (CLT) | 28 |
| Burlington, VT (BTV) | 27 |
| Colorado Springs, CO (COS) | 27 |
| Spokane, WA (GEG) | 27 |
| San Jose, CA (SJC) | 27 |
| Kansas City Intl, MO (MCI) | 26 |
| San Antonio Intl, TX (SAT) | 26 |
| Saint Louis, MO (STL) | 26 |
| Albuquerque, NM (ABQ) | 25 |
| Seattle/Boeing, WA (BFI) | 25 |
| Buffalo, NY (BUF) | 23 |
| Baltimore Intl, MD (BWI) | 23 |
| San Juan, PR (SJU) | 23 |
| Atlanta, GA (ATL) | 22 |
| New York JFK, NY (JFK) | 22 |
| Monterey Pninsla, CA (MRY) | 22 |
| Burbank, CA (BUR) | 21 |
| Koln/Bonn, DL (CGN) | 21 |
| Cleveland/Hopkns, OH (CLE) | 21 |
| Singapore/Chang, SN (SIN) | 21 |
| Syracuse/Hancock, NY (SYR) | 19 |
| Bradley/Hartford, CT (BDL) | 18 |
| Greensboro, NC (GSO) | 18 |
| Albany, GA (ABY) | 17 |
| Paris Charles De Gau (CDG) | 17 |
| Ok City/W.Rogers, OK (OKC) | 17 |
| Knoxville, TN (TYS) | 17 |
| Richmond/Byrd, VA (RIC) | 16 |
| Santa Ana/Jw, CA (SNA) | 16 |
| Jackson, MS (JAN) | 15 |
| Toronto Intl, ON (YYZ) | 15 |
| Cincinnati/Grtr, OH (CVG) | 14 |
| Austin/Mueller, TX (AUS) | 13 |
| Medford, Or (MFR) | 13 |
| Albany, NY (ALB) | 12 |
| Guatemala, GUA (Unof (GUA) | 12 |
| Kuala Lumpur/SU, MS (KUL) | 12 |
| Kahului, Maui, HI (OGG) | 12 |
| Palm Springs, CA (PSP) | 12 |
| San Jose, CS (SJO) | 12 |
| Nashville, TN (BNA) | 11 |
| Long Beach, CA (LGB) | 11 |
| Penang/Bayan, LE (PEN) | 11 |
| Seoul, Republic Of K (SEL) | 11 |
| Mather AFB, CA (MHR) | 10 |
| Tampa/St. Petersburg (PIE) | 10 |
| Columbus, OH (CMH) | 9 |
| El Paso, TX (ELP) | 9 |
| Pittsburgh, PA (PIT) | 9 |
| Bangkok/Don Mua, TH (BKK) | 8 |
| Caracas, Venezuela ( (CCS) | 8 |
| Fort Wayne, IN (FWA) | 8 |
| White Plains, NY (HPN) | 8 |
| Mexico City, MX (MEX) | 8 |
| West Palm Beach, FL (PBI) | 8 |
| Providence/Green, RI (PVD) | 8 |
| London-Stansted, UK (STN) | 8 |
| Billings/Logan, MT (BIL) | 8 |
| Cedar Rapids, IA (CID) | 7 |
| Lansing, MI (LAN) | 7 |
| Little Rk/Adams, AR (LIT) | 7 |
| Rochester/Monroe, NY (ROC) | 7 |
| Shreveport Rgnl, LA (SHV) | 7 |
| Tucson, AZ (TUS) | 7 |
| Amarillo, TX (AMA) | 6 |
| Washington National, (DCA) | 6 |
| Wichita, KS (ICT) | 6 |
| Jacksonville, FL (JAX) | 6 |
| Rickenbacker AFB, OH (LCK) | 6 |
| Manila/Luzon, PH (MNL) | 6 |
| Monterrey Intl, MX (MTY) | 6 |
| Hamilton, Ont., CA (YHM) | 6 |
| Montreal/Mirabel Int (YMX) | 5 |
| Bergstrom AFB, TX (BSM) | 4 |
| Guadalajara/Hidalgo, (GDL) | 4 |
| Chicago/Midway, IL (MDW) | 4 |
| South Bend, IN (SBN) | 4 |
| Mobile/Brookley, AL (BFM) | 3 |
| Leon-Guanajuato, MX (BJX) | 3 |
| Derby, East Midlands (EMA) | 3 |
| Derby, East Midlands (GNX) | 3 |
| Raleigh-Durham, NC (RDU) | 3 |
| Ottawa Intl, CA (YOW) | 3 |
| Dayton/James Cox, OH (DAY) | 2 |
| Koln/Bonn, DL (DDK) | 2 |
| Fresno, CA (FAT) | 2 |
| Ft. Ldrdale/Hlywd, F (FLL) | 2 |
| Paris Charles De Gau (FPG) | 2 |
| Islip/Macarthur, NY (ISP) | 2 |
| Miller Intl., TX (MFE) | 2 |
| Madison/Dane, WI (MSN) | 2 |
| Rochester, MN (RST) | 2 |
| Santo Domingo, Dom. (SDQ) | 2 |
| Sharjah, U.A.Emirate (SHJ) | 2 |
| Stewart/Newburgh, NY (SWF) | 2 |
| Tulsa, OK (TUL) | 2 |
| Caracas/Bolivar, Ven (VMI) | 2 |
| Chiang Kai Shek, Tai (CTP) | 1 |
| Grand Rapids, MI (GRR) | 1 |
| Huntsville, AL (HSV) | 1 |
| San Juan, PU (JSJ) | 1 |
| Mobile/Bates, AL (MOB) | 1 |
| Newport News/Wlmsbg, (ORF) | 1 |
| Sarasota, FL (SRQ) | 1 |
| Tampa/St. Petersburg (TPA) | 1 |
| Sao Paulo-Viracopos, (VCP) | 1 |