List of Class B airports in the United States

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Class B is a class of airspace in the United States which follows International Civil Aviation Organization (ICAO) airspace designation. Class B airspace areas are designed to improve aviation safety by reducing the risk of midair collisions in the airspace surrounding airports with high-density air traffic operations. [1] Aircraft operating in these airspace areas are subject to certain operating rules and equipment requirements. [1]

Contents

Class B airspace protects the approach and departure paths from aircraft not under air traffic control. All aircraft inside Class B airspace are subject to air traffic control. Traffic operating under VFR must be identified on radar and explicitly cleared into the airspace before they can enter. The airspace is commonly depicted as resembling an "upside-down wedding cake". The innermost ring extends from the surface area around the airport to typically 10,000' MSL. Several outer rings usually surround it with progressively higher floors to allow traffic into nearby airports without entering the primary airport's Class B airspace.

The airspace around the busiest US airports is classified as ICAO Class B, and the primary airport (one or more) for which this airspace is designated is called Class B airport. As of January 2023, there are 37 Class B airports in the United States. [2] [3] Despite common misconception, Nellis Air Force Base and Dallas Love Field Airport are not designated as Class B airports; however, in both cases the Class B airspace for the primary airport in the region (Harry Reid International and Dallas/Fort Worth International, respectively) has been specifically extended to cover these airports as if they were themselves Class B. [2]

The following list of Class B airports is sorted by state and IATA Airport Code/ICAO Airport Code. [2]

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PHX
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LAX
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NKX
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SAN
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SFO
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DEN
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MCO
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MIA
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TPA
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ATL
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ORD
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CVG
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MSY
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ADW
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BWI
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BOS
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DTW
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MSP
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MCI
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STL
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LAS
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EWR
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JFK
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LGA
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CLT
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CLE
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PHL
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PIT
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MEM
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DFW
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HOU
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IAH
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SLC
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DCA
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IAD
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SEA
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Map of Class B airports in the contiguous United States

Airport

Code

State

Total Movements (2023)

BHM / KBHM Birmingham–Shuttlesworth International Airport Alabama99,544 [4]
PHX / KPHX Phoenix Sky Harbor International Arizona454,655 [4]
LAX / KLAX Los Angeles International California575,097 [4]
NKX / KNKX Marine Corps Air Station Miramar California
SAN / KSAN San Diego International California220,621 [4]
SFO / KSFO San Francisco International California384,871 [4]
DEN / KDEN Denver International Colorado299,702 [4]
MCO / KMCO Orlando International Florida417,439 [4]
MIA / KMIA Miami International Florida461,792 [4]
TPA / KTPA Tampa International Florida229,804 [4]
ATL / KATL Hartsfield–Jackson Atlanta International Georgia775,818 [4]
HNL / PHNL Honolulu International Hawaii
ORD / KORD Chicago–O'Hare International Illinois720,582 [4]
CVG / KCVG Cincinnati/Northern Kentucky International Kentucky166,000 [4]
MSY / KMSY Louis Armstrong New Orleans International Louisiana126,138 [4]
ADW / KADW Andrews Air Force Base Maryland51,042 [4]
BWI / KBWI Baltimore/Washington International Maryland239,417 [4]
BOS / KBOS Boston–Logan International Massachusetts400,178 [4]
DTW / KDTW Detroit Metropolitan Wayne County Michigan
MSP / KMSP Minneapolis–Saint Paul International Minnesota323,945 [4]
MCI / KMCI Kansas City International Missouri115,721 [4]
STL / KSTL Lambert–St. Louis International Missouri163,129 [4]
LAS / KLAS Las Vegas-Harry Reid International Nevada611,806 [4]
LSV / KLSV Nellis Air Force Base (lies within the class B surface area of LAS)Nevada
EWR / KEWR Newark Liberty International New Jersey435,675 [4]
JFK / KJFK New York–John F. Kennedy International New York483,176 [4]
LGA / KLGA New York–La Guardia New York363,787 [4]
CLT / KCLT Charlotte Douglas International North Carolina531,740 [4]
CLE / KCLE Cleveland Hopkins International Ohio108,788 [4]
PHL / KPHL Philadelphia International Pennsylvania294,716 [4]
PIT / KPIT Pittsburgh International Pennsylvania128,173 [4]
MEM / KMEM Memphis International Tennessee213,348 [4]
DAL / KDAL Dallas Love Field (lies within the class B surface area of DFW)Texas251,988 [4]
DFW / KDFW Dallas/Fort Worth International Texas689,569 [4]
HOU / KHOU Houston–Hobby (class B secondary airport)Texas197,934 [4]
IAH / KIAH Houston–George Bush Intercontinental Texas422,003 [4]
SLC / KSLC Salt Lake City International Utah318,998 [4]
DCA / KDCA Ronald Reagan Washington National Virginia299,702 [4]
IAD / KIAD Washington Dulles International Virginia284,866 [4]
SEA / KSEA Seattle–Tacoma International Washington422,497 [4]

See also

References

  1. 1 2 FAA Order JO 7400.2L, Procedures for Handling Airspace Matters, effective 2017-10-12 (with changes), accessed 2017-12-04
  2. 1 2 3 FAA order JO 7400.11B, Airspace Designations and Reporting Points, effective 2017-09-15, accessed 2017-12-04
  3. ↑ Airspace Amendments to FAA Order JO 7400.11B, accessed 2017-12-04
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 "The Operations Network (OPSNET) > Airport Operations". September 29, 2025. Retrieved September 29, 2025.
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