SAT TSA Wait Times — San Antonio
San Antonio International Airport. Live security wait times, updated every 10 minutes.
GateWaitTimes independently measures security waits at SAT, taking a reading every ten minutes around the clock. We have recorded 11,123 readings here since August 25, 2026, drawn from official TSA, airport, and FAA feeds.
Learn more about our data credibility & sources →SAT TSA Wait Times by Hour
This chart shows the average security wait at SAT for every hour of the day, so a taller bar means the line is usually longer at that time. The numbers come from our own readings, which we take every ten minutes around the clock.
The current wait time at SAT is 8 minutes, which is about average for a Saturday, when the line usually runs around 9 minutes.
When Should You Leave?
Tap to pick your flight’s departure time
TSA PreCheck at San Antonio
PreCheck lane open right now
The TSA PreCheck lane at San Antonio is usually the fastest way through security. Travelers keep shoes, belts, and light jackets on and leave laptops and liquids packed, so the lane keeps moving even when the standard line backs up. At an airport this size, most major checkpoints run a PreCheck lane for much of the day, though hours still vary by checkpoint.
The status above comes from the same feed as the wait time on this page. GateWaitTimes polls it every 10 minutes, around the clock. If the lane shows closed, standard screening is still open; recheck shortly before you leave in case staffing changes.
How Early Should You Arrive at SAT?
These are general guidelines for San Antonio International Airport. Use the calculator above for a departure time tuned to the current wait, your drive, and whether you have PreCheck. Add time on peak travel mornings, around holidays, and if you're checking a bag.
Frequently Asked Questions
How long is the security line at San Antonio (SAT) right now?
As of the latest measurement, the standard security wait at SAT is about 8 minutes. GateWaitTimes re-measures every 10 minutes, so check the live figure at the top of this page.
How early should I arrive at San Antonio International Airport?
For a large airport, arrive about 2 hours before a domestic flight and 3 hours before an international flight. Add time during holiday peaks and early-morning banks.
Does SAT have TSA PreCheck?
Most US airports of this size offer TSA PreCheck lanes at their main checkpoints, though lane hours vary by checkpoint and time of day. Check the checkpoint status on this page for which lanes are reporting, and the TSA site for official PreCheck lane hours.
How often is this wait-time data updated?
GateWaitTimes polls TSA wait-time feeds, FAA airport status, and National Weather Service forecasts every 10 minutes, around the clock, and records every reading.
Is TSA PreCheck open at SAT right now?
Yes — as of the latest reading, a TSA PreCheck lane is open at SAT. GateWaitTimes re-checks every 10 minutes.
About Security at San Antonio International Airport
San Antonio International Airport (SAT) serves San Antonio, TX. It is a large airport with steady passenger volume through most of the day, so the standard lane rarely empties out completely, which shapes how the security line at San Antonio behaves: expect the longest waits when several departures cluster in the same hour, and much shorter ones in between.
TSA PreCheck status at SAT is tracked live. The PreCheck section above shows whether a lane is open right now. PreCheck lanes usually move faster than standard screening, but they are not staffed at every hour, so check before counting on one.
The number above is a live reading for the standard lane, refreshed every few minutes. Security wait times can change quickly at SAT, so recheck this page shortly before you leave for the airport.
Fun Facts About San Antonio International Airport
- San Antonio International opened in 1941 on land that was then well outside the city limits.
- It welcomes visitors to a city famous for the Alamo, the River Walk, and its celebrated Tex-Mex cuisine.
- Given its location, the airport is a busy gateway for travel and trade with nearby Mexico.
- Its two main terminals serve millions of passengers heading to one of Texas's largest cities.