Plan to arrive at BWI 2h 15m before a domestic flight or 3h 15m for international. TSA lines average ~22 minutes and 79% of flights depart on time. Fastest through security: 4 AM (5 min).
How Early Should I Get to BWI?
Baltimore/Washington International — Baltimore
Recommended Arrival
2h 15m
before a domestic flight
3h 15m for international
~22m
TSA wait
30m
Check-in & bag drop
79%
On time
60m
Avg delay
Best & worst times through security
Fastest
4 AM (5 min)
Busiest
8 AM (22-28 minutes)
Wait times are similar throughout the week.
Terminal info at BWI
Terminals: Terminal A (Concourse A), Terminal B (Concourse B), Terminal C (Concourse C), Terminal D (Concourse D), Terminal E (Concourse E)
Getting around: Walking between all concourses; all connected airside
Transit time: 5-12 minutes between concourses
Re-screening: No re-screening needed between terminals. All concourses are connected post-security via walkways. No re-screening needed.
Tips for arriving at BWI
- →Morning flights are best — less delay risk, shorter TSA lines, calmer weather.
- →Check in online — skip the counter and go straight to security with a mobile boarding pass.
- →TSA PreCheck saves time — typically 5-10 minutes vs. standard lanes. $78 for 5 years.
- →Holidays need more buffer — add 30-45 minutes around Thanksgiving, Christmas, and summer peaks.
Common questions
How early should I get to Baltimore-Washington (BWI) for a domestic flight?
We recommend arriving at BWI 2h 15m before your domestic flight. TSA wait times at BWI average around 22 minutes, and the airport has an on-time departure rate of 79%. The fastest time through security is 4 AM (5 min). Add extra time if you're checking bags or traveling during peak hours.
How early should I get to BWI for an international flight?
For international flights from BWI, arrive 3h 15m before departure. International check-in counters close 60 minutes before departure, and you may need extra time for passport control and security screening. Airlines recommend 3 hours for international departures.
What is the best time to go through security at BWI?
The fastest time through TSA at BWI is 4 AM (5 min). The busiest time is 8 AM (22-28 minutes). Wait times are similar throughout the week.
Does TSA PreCheck help at BWI?
Yes. TSA PreCheck lanes at BWI are significantly faster — typically 5-10 minutes vs. the standard line. PreCheck members keep shoes, belts, and light jackets on and leave laptops in bags. If you fly more than twice a year, PreCheck ($78 for 5 years) pays for itself quickly.
How long are TSA wait times at BWI?
TSA wait times at BWI are currently around about 19-25 minutes. Fastest: 4 AM (5 min). Busiest: 8 AM (22-28 minutes).