BWI Airport Security & TSA Guide
Screening tips, checkpoint info, and how to check live wait times for Baltimore/Washington International Thurgood Marshall Airport.
About Baltimore/Washington International Thurgood Marshall Airport
- IATA Code
- BWI
- City
- Baltimore
- State
- MD
- Airport Type
- Large Hub
- TSA PreCheck
- Typically available
- Screening
- TSA checkpoint
TSA Security Tips for Baltimore/Washington International Thurgood Marshall Airport
Whether you're departing Baltimore or connecting through, these TSA screening basics apply at BWI. 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 BWI.
- •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 BWI
Baltimore/Washington International Thurgood Marshall 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 BWI
Recommended Arrival Time
Frequently asked questions
Does BWI have TSA PreCheck?
Most U.S. commercial airports, including Baltimore/Washington International Thurgood Marshall Airport, offer TSA PreCheck lanes. Eligibility requires TSA PreCheck enrollment.
How early should I arrive at Baltimore/Washington International Thurgood Marshall Airport?
For a large hub, arrive 2 hours before domestic and 3 hours before international flights.
What documents do I need at Baltimore security?
A Real ID-compliant license or passport plus your boarding pass (digital or printed).