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San Diego International Airport (SAN) Security Wait Times
San Diego International Airport serves San Diego. This page provides live TSA security checkpoint wait times for SAN, including both Standard and TSA PreCheck lanes, refreshed every 10 minutes — so you can see how long the security line is right now and plan exactly how early to arrive.
How early should you arrive at San Diego International Airport?
A good rule of thumb at SAN is to arrive about 2 hours before a domestic flight and 3 hours before an international flight, adding 30–60 minutes during peak travel periods. TSA PreCheck members can usually arrive 90 minutes ahead for domestic departures. For an exact recommendation based on the current wait, use the “When should I leave?” calculator above.
TSA PreCheck at San Diego International Airport
San Diego International Airport (SAN) offers TSA PreCheck lanes, where members typically wait 60–80% less than in the standard line. A 5-year PreCheck membership costs about $85 (~$17/year) and usually pays for itself within a few trips for anyone flying through San Diego regularly.
Frequently asked questions about SAN wait times
What is the best time to go through security at San Diego International Airport?+
Based on historical patterns at San Diego International Airport (SAN), early weekday mornings (5–7 AM) and mid-mornings on Tuesdays and Wednesdays usually have the shortest security lines. The busiest periods are Friday afternoons (4–7 PM) and Sunday evenings. The hourly and day-of-week charts on this page show the typical pattern.
How long are the TSA security lines at San Diego International Airport right now?+
The current San Diego International Airport (SAN) security wait times — for both Standard and TSA PreCheck lanes, at each open checkpoint — are shown live at the top of this page and refresh every 10 minutes.
Which terminal at San Diego International Airport has the shortest security line?+
The checkpoint with the shortest current wait at San Diego International Airport is shown in the live "Security Checkpoints" section at the top of this page. If your airline allows flexible check-in, choosing the fastest terminal can save significant time.
How accurate are the SAN wait times and how often do they update?+
Where an airport publishes a live feed, SAN wait times come directly from its checkpoint system and refresh every 10 minutes. Otherwise the page shows a historical estimate for the current day and hour. Times are estimates and can change quickly, so always allow extra buffer.