CMH Airport Security & TSA Guide
Screening tips, checkpoint info, and how to check live wait times for John Glenn Columbus International Airport.
About John Glenn Columbus International Airport
- IATA Code
- CMH
- City
- Columbus
- State
- OH
- Airport Type
- Large Hub
- TSA PreCheck
- Typically available
- Screening
- TSA checkpoint
TSA Security Tips for John Glenn Columbus International Airport
Whether you're departing Columbus or connecting through, these TSA screening basics apply at CMH. As a large hub, lines move fast but passenger volume is high—plan to arrive earlier.
- •3-1-1 liquids rule: carry-on liquids, gels, and aerosols must be 3.4 oz (100 ml) or less, in one quart-sized clear bag.
- •ID + boarding pass ready: have your Real ID-compliant license or passport and boarding pass out before the checkpoint.
- •TSA PreCheck lanes: eligible travelers keep shoes, belts, and light jackets on and laptops in bags at CMH.
- •Electronics & items: remove laptops and larger electronics when prompted; pack medications and valuables accessibly.
- •Arrive early: 2 hours before domestic, 3 hours before international flights.
How to check live wait times at CMH
John Glenn Columbus International Airport does not publish static wait-time tables. For real-time security line estimates, use official TSA channels:
- • The official myTSA mobile app (free)
- • The TSA.gov wait times page
- • On-site airport displays and your airline's app
When should I arrive?
Calculate your recommended arrival time at CMH
Recommended Arrival Time
Frequently asked questions
Does CMH have TSA PreCheck?
Most U.S. commercial airports, including John Glenn Columbus International Airport, offer TSA PreCheck lanes. Eligibility requires TSA PreCheck enrollment.
How early should I arrive at John Glenn Columbus International Airport?
For a large hub, arrive 2 hours before domestic and 3 hours before international flights.
What documents do I need at Columbus security?
A Real ID-compliant license or passport plus your boarding pass (digital or printed).