Plan to arrive at DTW 2 hours before a domestic flight or 3 hours for international. TSA lines average ~11 minutes and 81% of flights depart on time. Fastest through security: 4 AM (5 min).
How Early Should I Get to DTW?
Detroit Metropolitan Wayne County — Detroit
Recommended Arrival
before a domestic flight
3 hours for international
Best & worst times through security
Fastest
4 AM (5 min)
Busiest
8 AM (21-27 minutes)
Wait times are similar throughout the week.
Terminal info at DTW
Terminals: McNamara Terminal (Concourses A and B — Delta), North Terminal (Concourses C and D)
Getting around: ExpressTram within McNamara Terminal; bus between McNamara and North Terminal
Transit time: 3-5 minutes within McNamara; 15-20 minutes between terminals
Re-screening: Some terminal changes require going through TSA again. McNamara and North terminals are not connected airside. Changing between them requires a bus and re-screening.
Tips for arriving at DTW
- →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 Detroit Metro (DTW) for a domestic flight?
We recommend arriving at DTW 2 hours before your domestic flight. TSA wait times at DTW average around 11 minutes, and the airport has an on-time departure rate of 81%. 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 DTW for an international flight?
For international flights from DTW, arrive 3 hours 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 DTW?
The fastest time through TSA at DTW is 4 AM (5 min). The busiest time is 8 AM (21-27 minutes). Wait times are similar throughout the week.
Does TSA PreCheck help at DTW?
Yes. TSA PreCheck lanes at DTW 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 DTW?
TSA wait times at DTW are currently around about 8-14 minutes. Fastest: 4 AM (5 min). Busiest: 8 AM (21-27 minutes).