Gary/Chicago International Airport
Daylight today(Aug 30, 2026, local time)
About 13h 14m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Gary/Chicago International Airport
Gary/Chicago International Airport is a joint civil-military public airport in Gary, in Lake County, Indiana, United States. It is three miles northwest of the city center of Gary, and 25 miles (40 km) southeast of the Chicago Loop. It is operated by the Gary/Chicago International Airport Authority, which was created by an interstate compact between Gary, Chicago, and Indiana. Nearby highway connections include I-90, I-80, I-94, I-65 and the Chicago Skyway.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KGYYNOTAMs
KGYYReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 12 / 30▸ displaced | 8,859 ft / 2,700 m | 150 ft | Asp | Lighted | Open |
| 02 / 20 | 3,604 ft / 1,098 m | 100 ft | Asp | Lighted | Open |
Radio frequencies (7)
| Type | Description | Frequency |
|---|---|---|
| A/D | CHICAGO APP/DEP | 133.100 MHz |
| ATIS | ATIS | 120.625 MHz |
| CTAF | CTAF | 125.600 MHz |
| GND | GND | 121.900 MHz |
| RCO | KANKAKEE RDO | 114.200 MHz |
| RDO | TERRE HAUTE RDO | 123.650 MHz |
| TWR | TWR | 125.600 MHz |
Services & operations
Gary/Chicago International Airport offers efficient customs processing and top-tier Jet A fuel services.
From the airport’s official website — details may change, so confirm with the airport. Official site
Navaids(1)
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Departure procedures (SIDs) (4)
Arrivals (STARs) (4)
Takeoff & alternate minimums (2)
Showing 15 of 20 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(2)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| CHICAGO CLASS B AREA D | Class B | Controlled | 3600 ft MSL | 10000 ft MSL |
| GARY CLASS D | Class D | Controlled | GND | 3100 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: W (from about 270°), on 13% of observations, averaging 10 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 51% | -1,454 ft | |
| Feb | 66% | -1,373 ft | |
| Mar | 72% | -759 ft | |
| Apr | 77% | -200 ft | |
| May | 79% | 579 ft | |
| Jun | 79% | 1,339 ft | |
| Jul | 80% | 1,562 ft | |
| Aug | 85% | 1,472 ft | |
| Sep | 82% | 1,065 ft | |
| Oct | 78% | 259 ft | |
| Nov | 71% | -663 ft | |
| Dec | 56% | -1,064 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-1,454–1,562 ft through the year· Source: NWS/IEM ASOS archive.
Nearby airports
Great-circle distance and true bearing from Gary/Chicago International Airport.
Frequently asked questions
What is the ICAO code for Gary/Chicago International Airport?
The ICAO code for Gary/Chicago International Airport is KGYY, and its IATA code is GYY.
Where is Gary/Chicago International Airport located?
Gary/Chicago International Airport is medium airport located in Gary, United States, at an elevation of 591 ft (180 m).
How many runways does Gary/Chicago International Airport have?
Gary/Chicago International Airport has 2 runways, the longest being 8,859 ft / 2,700 m.
What time zone is Gary/Chicago International Airport in?
Gary/Chicago International Airport is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at Gary/Chicago International Airport?
The magnetic variation (declination) at Gary/Chicago International Airport is approximately 4.3° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Gary/Chicago International Airport?
The nearest airport to Gary/Chicago International Airport is Griffith-Merrillville Airport (K05C), about 5.9 nm to the s, followed by Lansing Municipal Airport and Hobart Sky Ranch Airport.
Is the information on this page suitable for flight planning?
No. Gary/Chicago International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.