John Glenn Columbus International Airport
Daylight today(Aug 30, 2026, local time)
About 13h 10m 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 John Glenn Columbus International Airport
John Glenn Columbus International Airport is an international airport located 6 miles (9.7 km) east of downtown Columbus, Ohio. It is managed by the Columbus Regional Airport Authority, which also oversees operations at Rickenbacker International Airport and Bolton Field. The airport code "CMH" stands for "Columbus Municipal Hangar", the original name of the airport.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KCMHNOTAMs
KCMHReference 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 |
|---|---|---|---|---|---|
| 10R / 28L | 10,114 ft / 3,083 m | 150 ft | Asp | Lighted | Open |
| 10L / 28R | 8,000 ft / 2,438 m | 150 ft | Asp | Lighted | Open |
Radio frequencies (8)
| Type | Description | Frequency |
|---|---|---|
| A/D | COLUMBUS APP/DEP | 33.822 MHz |
| A/D | COLUMBUS APP/DEP | 118.200 MHz |
| ATIS | ATIS | 124.600 MHz |
| CLD | CLNC DEL | 126.300 MHz |
| GND | GND | 121.900 MHz |
| RDO | DAYTON RDO | 122.200 MHz |
| TWR | TWR | 132.700 MHz |
| UNIC | UNICOM | 122.950 MHz |
Services & operations
All parking options are open at the airport, including long-term, short-term, garage, and valet.
From the airport’s official website — details may change, so confirm with the airport. Official site
Navaids(2)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Arrivals (STARs) (4)
Takeoff & alternate minimums (2)
Showing 11 of 27 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(2)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| COLUMBUS CLASS C | Class C | Controlled | GND | 4800 ft MSL |
| COLUMBUS CLASS C | Class C | Controlled | 2500 ft MSL | 4800 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: S (from about 180°), on 12% of observations, averaging 7 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 55% | -1,005 ft | |
| Feb | 66% | -860 ft | |
| Mar | 77% | -139 ft | |
| Apr | 82% | 587 ft | |
| May | 83% | 1,308 ft | |
| Jun | 86% | 1,861 ft | |
| Jul | 89% | 2,030 ft | |
| Aug | 90% | 1,869 ft | |
| Sep | 87% | 1,543 ft | |
| Oct | 81% | 673 ft | |
| Nov | 73% | -268 ft | |
| Dec | 61% | -598 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-1,005–2,030 ft through the year· Source: NWS/IEM ASOS archive.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | 1,066 ft | 758 ft | — |
| Rhodes State Office Tower | 630 ft | 761 ft | — |
| LeVeque Tower | 554 ft | 771 ft | — |
| William Green Building | 525 ft | 751 ft | — |
| Huntington Center | 512 ft | 807 ft | — |
| One Nationwide Plaza | 486 ft | 781 ft | — |
| The Continental Plaza | 440 ft | 699 ft | — |
| Three Nationwide Plaza | 407 ft | 781 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from John Glenn Columbus International Airport.
Frequently asked questions
What is the ICAO code for John Glenn Columbus International Airport?
The ICAO code for John Glenn Columbus International Airport is KCMH, and its IATA code is CMH.
Where is John Glenn Columbus International Airport located?
John Glenn Columbus International Airport is large airport located in Columbus, United States, at an elevation of 815 ft (248 m).
How many runways does John Glenn Columbus International Airport have?
John Glenn Columbus International Airport has 2 runways, the longest being 10,114 ft / 3,083 m.
Which airlines fly to John Glenn Columbus International Airport?
Airlines historically serving John Glenn Columbus International Airport include AeroMéxico, Air Canada, Air France, AirTran Airways, Alaska Airlines, Alitalia, among 14 carriers (based on OpenFlights route data, which may be out of date).
How many destinations are served from John Glenn Columbus International Airport?
Historical data lists 32 nonstop destinations from John Glenn Columbus International Airport. Always check current schedules.
What time zone is John Glenn Columbus International Airport in?
John Glenn Columbus International Airport is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at John Glenn Columbus International Airport?
The magnetic variation (declination) at John Glenn Columbus International Airport is approximately 7.3° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near John Glenn Columbus International Airport?
The nearest airport to John Glenn Columbus International Airport is The Ohio State University Airport - Don Scott Field (OSU), about 9.7 nm to the wnw, followed by Rickenbacker International Airport and Lee's Dogpatch Airport.
Is the information on this page suitable for flight planning?
No. John Glenn Columbus International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.