GYY
Gary/Chicago International Airport

Gary/Chicago International Airport (IATA: GYY, ICAO: KGYY) is a medium airport in Gary, Indiana, United States. It opened in 1954. It has 2 runways; the longest is 8,859 ft (2,700 m). In 2025 it handled 11 thousand passengers.
Timeline
1 event · 1954–19541954
OpenedGary/Chicago International Airport opens.
From Wikidata and WikipediaEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF12/30124° / 304° · LIT
LENGTH8,859 ft2,700 mWIDTH150 ft46 mSURFACEConcrete
02/20021° / 201° · LIT
LENGTH3,604 ft1,099 mWIDTH100 ft31 mSURFACEAsphalt
Passengers per year
2013–202515K
4K
2K
1K
379
603
4K
6K
5K
8K
9K
11K
131516171819202122232425
Routes
4 destinations · 2 countriesMost destinationsAirNet Express 2Aeronaves TSM 2
Straight lines are great circles; rings mark true distance from GYY. From the Wikipedia article “Gary/Chicago International Airport” (revision of 20 Jul 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
7 channelsA/DCHICAGO APP/DEP133.100
ATISATIS120.625
CTAFCTAF125.600
GNDGND121.900
RCOKANKAKEE RDO114.200
RDOTERRE HAUTE RDO123.650
TWRTWR125.600