Airport
John Glenn Columbus International Airport
CMH · Columbus, OH
- IATA Code
- CMH
- ICAO Code
- KCMH
- City
- Columbus
- Country
- United States
- Website
- flycolumbus.com
John Glenn Columbus International Airport is a major airport serving Columbus, OH. Its IATA code is CMH and its ICAO code is KCMH.
The airfield sits 815 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through CMH recently? Share your experience to help other travelers.
CMH by the numbers
IATA CMH · ICAO KCMH · 815 ft elevation · Map
Loading live weather, forecasts, delays and nearby aircraft…
Official departure punctuality
Ranks #169 of 358 U.S. airports for on-time departures
- On-time departures
- 80.6%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44,809
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 36%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 30%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Busiest routes from CMH
| Route | Flights | On time |
|---|---|---|
| Chicago (ORD) | 4,988 | 75% |
| Atlanta (ATL) | 3,129 | 85% |
| New York (LGA) | 3,035 | 79% |
| Orlando (MCO) | 2,121 | 77% |
| Newark (EWR) | 2,087 | 83% |
| Washington (DCA) | 2,051 | 69% |
| Charlotte (CLT) | 2,042 | 84% |
| Boston (BOS) | 2,005 | 82% |
| Denver (DEN) | 1,776 | 79% |
| Dallas-Fort Worth (DFW) | 1,727 | 81% |
Airlines departing CMH
| Airline | Flights | On-time departures |
|---|---|---|
| Republic Airways | 13,053 | 85% |
| Southwest Airlines | 12,338 | 77% |
| American Airlines | 4,222 | 81% |
| Delta Air Lines | 3,730 | 87% |
| United Airlines | 3,396 | 77% |
| Envoy Air | 3,078 | 84% |
| OH | 1,643 | 77% |
| SkyWest Airlines | 1,458 | 77% |
| NK | 859 | 70% |
| Frontier Airlines | 567 | 70% |
Terminals, parking & amenities
Terminals (4)
- CMH Original Terminal (Historic)
- John Glenn Columbus International Airport
- Ticketing Level
Parking (19)
- Cell Phone Lot
- Cell Phone Lot
- Fuel Tanker Parking
- Red Lot
- Walking Lot
Food & drink (19)
- American Craft Tavern
- Auntie Anne's
- Bob Evans Express
- Brewdog
- Burger King
- Charleys Philly Steaks
- Chili's Too
- Donatos Pizza
- Donatos Pizza
- Eddie George's Grille 27
- Hangar 815
- Land Grant
Shops (21)
- Air Canada
- American Airlines
- American Airlines
- Best Buy Express
- Brighton Collectibles
- Brooks Brothers
- CMH Supply
- CNBC News Express
- Charter
- Columbus Marketplace
- Columbus Marketplace
- Delta Airlines
Car rental (1)
- Dollar
Gates (34)
A1, A2, A3, A4, A5, A6, B17, B19, B20, B21, B22, B23, B24, B25, B26, B28, B29, B30, B31, B32, B33, B34, B35, B36, C46, C47, C48, C49, C50, C51, C52;C53, C54, C55, C56
Map data © OpenStreetMap contributors, ODbL.
Runways
| Runway | Length | Surface |
|---|---|---|
| 10R/28L | 10,114 ft | ASP, lighted |
| 10L/28R | 8,000 ft | ASP, lighted |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 124.600 MHz
- Tower 132.700 MHz
- Ground 121.900 MHz
- Clearance delivery 126.300 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: CMH, KCMH, Columbus airport, John Glenn Columbus International Airport
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