According to this...........Atlanta is number one............the Russians want to invade......

List of the busiest airports in the United States

Busiest US airports by total passenger boardings[edit]

The FAA uses passenger boarding for a full calendar year to determine Airport Improvement Program (AIP) entitlements.^[1]
The term hub is used by the FAA to identify very busy commercial service airports. For instance, large hubs are those airports that each account for at least one percent of total U.S. passenger enplanements. Medium hubs are defined as airports that each account for between 0.25 percent and one percent of the total passenger enplanements. According to preliminary FAA data, in 2014 there were 30 large hubs and 30 medium hubs.

Rank (2016)	Airports (large hubs)	IATA Code	Major city served	State	2017	2016[2]	2015[3]	2014[4]	2013[5]	2012[6]	2011[7]	2010[8]	2009[9]	2008[9]	2007[10]	2006[11]	2005[12]
1	Hartsfield–Jackson Atlanta International Airport	ATL	Atlanta	GA	51,916,451	50,476,272	49,340,732	46,604,273	45,308,407	45,798,809	44,414,121	43,130,585	42,280,868	43,236,665	43,236,665	41,352,038	42,402,653
2	Los Angeles International Airport	LAX	Los Angeles	CA	42,459,545	39,635,691	36,351,226	34,314,197	32,425,892	31,326,268	30,528,737	28,857,755	27,439,897	28,861,477	30,113,985	29,357,327	29,372,272
3	O'Hare International Airport	ORD	Chicago	IL		37,499,201	36,305,668	33,686,811	32,317,835	32,171,743	31,892,301	32,171,831	31,135,732	33,683,991	36,521,585	36,825,097	36,720,005
4	Dallas/Fort Worth International Airport	DFW	Dallas/Fort Worth	TX	33,528,927	31,274,875	31,589,832	30,766,940	29,038,128	28,022,877	27,518,358	27,100,656	26,663,984	27,219,985	28,482,417	28,627,749	28,079,147
5	John F. Kennedy International Airport	JFK	New York	NY		29,224,554	27,717,503	26,244,928	25,036,358	24,520,943	23,664,830	22,934,047	22,710,272	23,620,948	23,401,351	21,071,501	20,260,359
6	Denver International Airport	DEN	Denver	CO	30,714,011	28,246,269	26,280,043	26,000,591	25,496,885	25,799,832	25,667,499	25,241,962	24,013,669	24,287,939	20,796,173	20,591,909	20,315,544
7	San Francisco International Airport	SFO	San Francisco	CA	27,862,429	25,706,994	24,190,549	22,756,008	21,704,626	21,284,224	20,038,679	19,359,003	18,467,908	18,135,827	17,280,328	16,236,592	16,070,133
8	McCarran International Airport	LAS	Las Vegas	NV	24,248,814	22,665,289	21,824,231	20,551,016	19,946,179	19,941,173	19,854,759	18,996,738	19,445,952	21,024,443	22,537,950	22,028,521	21,402,676
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