Wait times at Washington Dulles International Airport (IAD) depend on the time of day, season, and passenger traffic. Security lines can be short during early mornings and late evenings but longer during peak travel hours. IAD offers TSA PreCheck, CLEAR, and Global Entry to help passengers move faster through security and immigration.
| Time of Day | Estimated Wait Time | Notes |
|---|---|---|
| Early Morning (4 AM – 7 AM) | 10–20 minutes | Moderate traffic |
| Morning Rush (7 AM – 11 AM) | 20–35 minutes | Busiest period |
| Afternoon (11 AM – 4 PM) | 15–25 minutes | Normal lines |
| Evening (4 PM – 8 PM) | 20–30 minutes | Busy due to departures |
| Late Night (8 PM – 12 AM) | 5–15 minutes | Usually shorter |
| Program | Benefit | Best For | Location |
|---|---|---|---|
| TSA PreCheck | Faster security, keep shoes & laptops inside | Domestic travelers | Main Terminal Security |
| CLEAR | Skip ID check line | Frequent flyers | CLEAR lanes in Main Terminal |
| Global Entry | Fast immigration for arrivals | International travelers | Automated kiosks in Arrivals |
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