Overview
John Glenn Columbus International Airport is the main commercial airport for Columbus, United States. Its IATA code is CMH and its ICAO code is KCMH. The clocks here run on America/New_York, the runway sits roughly 800 ft above sea level, and the airport is a busy regional hub, with around 65 scheduled departure pairs in the public OpenFlights schedule plus onward connections through partner airlines.
Terminals and concourses
Most travellers will pass through one of a handful of terminal areas at John Glenn Columbus International Airport. Bigger fields tend to split domestic and international traffic into separate halls, each with its own arrivals area, immigration counters, customs and a landside check-in concourse. Signage is bilingual wherever the local language and English share the airport, and walking between terminals at Columbus's main gateway is usually possible on foot. Where the aprons stretch more than a kilometre, a shuttle bus or an automated people mover takes over.
Lounges and amenities
Lounge options at John Glenn Columbus International Airport match what you would expect from a busy regional hub. There is normally at least one airline-run lounge for premium-cabin passengers and elite-status flyers, plus an independent or contract lounge that sells day passes and accepts programmes like Priority Pass, DragonPass, Plaza Premium and LoungeKey. Inside, you can usually count on hot food, espresso, charging at every seat, decent Wi-Fi, and showers at the busier terminals. Quiet zones, prayer rooms and family areas tend to sit landside near check-in.
Getting to and from the airport
Getting between John Glenn Columbus International Airport and central Columbus is straightforward. Licensed taxis queue at marked curbs outside arrivals, with metered or zoned fares posted at the rank. Ride-hail apps have a designated pickup point, often one level up at departures or in a nearby lot. Public transport varies by city. A primary gateway like this one almost always offers an express train, a metro line or a dedicated airport bus running from before the first wave of departures until after the last arrival. Long-stay parking, rental car desks and hotel shuttle stops are clustered together on the landside.
Tips for travellers
A few things worth knowing for John Glenn Columbus International Airport. Aim to arrive at least two hours before a domestic flight and three hours before an international one, especially during peak banks. Local time is America/New_York, so plan your transfers around the time difference if you are coming in from another zone. Save a screenshot of your boarding pass before you leave the house, since terminal Wi-Fi is hit and miss when it gets busy. If you are connecting on a partner airline, check whether your bag is tagged through to the final destination, because John Glenn Columbus International Airport handles a mix of in-terminal and inter-terminal connections. With 63 direct destinations on the public schedule, this is a useful node for both point-to-point trips and onward connections across United States and the wider region.
More guides for CMH
Four extra pages dig deeper into lounges, layovers, getting to and from the airport, and the terminal layout itself. Open whichever one matches the problem in front of you.
Lounges at CMH
lounges
LAYOVERLayover at CMH
layover guide
TRANSPORTTransport at CMH
ground transport
TERMINALSTerminals at CMH
terminals and gates
Direct destinations from CMH
These are the cities you can fly to nonstop from John Glenn Columbus International Airport, based on the published schedule. Tap any one to open its own terminal, lounge and route guide.
Hartsfield Jackson Atlanta International Airport
Atlanta, United States
LAXLos Angeles International Airport
Los Angeles, United States
JFKJohn F Kennedy International Airport
New York, United States
LGALa Guardia Airport
New York, United States
ORDChicago O'Hare International Airport
Chicago, United States
PHXPhoenix Sky Harbor International Airport
Phoenix, United States
CLTCharlotte Douglas International Airport
Charlotte, United States
DCARonald Reagan Washington National Airport
Washington, United States
DFWDallas Fort Worth International Airport
Dallas-Fort Worth, United States
MIAMiami International Airport
Miami, United States
PHLPhiladelphia International Airport
Philadelphia, United States
YYZLester B. Pearson International Airport
Toronto, Canada
MCOOrlando International Airport
Orlando, United States
RSWSouthwest Florida International Airport
Fort Myers, United States
TPATampa International Airport
Tampa, United States
BWIBaltimore/Washington International Thurgood Marshall Airport
Baltimore, United States
MDWChicago Midway International Airport
Chicago, United States
STLSt Louis Lambert International Airport
St. Louis, United States
DENDenver International Airport
Denver, United States
BOSGeneral Edward Lawrence Logan International Airport
Boston, United States
DTWDetroit Metropolitan Wayne County Airport
Detroit, United States
MSPMinneapolis-St Paul International/Wold-Chamberlain Airport
Minneapolis, United States
RDURaleigh Durham International Airport
Raleigh-durham, United States
RNOReno Tahoe International Airport
Reno, United States
CLECleveland Hopkins International Airport
Cleveland, United States