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Luis Muñoz Marín International Airport (SJU) TSA Wait Times

San Juan, PR

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About TSA wait times at SJU

Luis Muñoz Marín International (SJU) is the primary airport for Puerto Rico and the busiest airport in the Caribbean. It sits in the Carolina municipality, about eight miles east of Old San Juan, and is the natural connecting point between the US mainland and the Eastern Caribbean. SJU was privatized in 2013 — the first major US airport under public-private partnership — and has had significant infrastructure investment since.

SJU operates from a single terminal with five concourses — A, B, C, D, and E — plus a dedicated international/customs facility. Concourse C is the busiest, used by JetBlue (SJU's largest carrier) and Spirit. Concourse B is heavy with American Airlines. Concourses D and E handle the inter-island and smaller regional carriers. Each side of the terminal has its own TSA checkpoint, and there's a connecting walkway airside.

Because SJU is a hub for Caribbean tourism, the airport's pulse is heavily leisure-weighted, with Saturday and Sunday returns the busiest days of the week. Hurricane season and the December–April winter peak both reshape the volume curve. Atlas's predictions adjust for the seasonal pattern and the specific day, so you're not relying on a flat average.

Frequently asked questions

When is San Juan airport busiest?

Saturday afternoons (1–6 PM) and Sunday evenings (3–9 PM) are the heaviest of the week — leisure return waves to the mainland. Mid-mornings during the December–April winter season are also reliably busy. Atlas's prediction will give you a sharper read for your exact flight than any general window.

How early should I arrive at SJU?

Domestic flights (yes — flying SJU to a US mainland airport is a domestic flight, since Puerto Rico is a US territory): 90 minutes for PreCheck, 2 hours for the standard lane during peak. International to non-US destinations: 2.5–3 hours. Atlas's prediction is the tighter guide for your day.

Is a passport required to fly between SJU and the US mainland?

No — Puerto Rico is a US territory, so flying between SJU and any US mainland airport is a domestic flight. A US-issued ID (driver's license, REAL ID, or passport) is sufficient. International flights from SJU to non-US destinations follow normal international rules.

Does SJU have TSA PreCheck?

Yes — TSA PreCheck lanes are available at the main checkpoints, and Global Entry kiosks are available for international arrivals. Atlas shows predicted wait times by lane so you can see how much PreCheck saves on your travel day.

What's the layout of the terminal at SJU?

Single terminal with concourses A, B, C, D, and E. JetBlue is the largest carrier and operates from Concourse C; American Airlines is in Concourse B; Spirit, Frontier, Southwest, and others are spread across the remaining concourses. Confirm your concourse on your boarding pass — they're connected airside but the walks can be long.

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