Security Wait Times at St. Louis Lambert International Airport

STL Security Wait Times

St. Louis Lambert International Airport is a busy airport in Missouri where many people travel every day, served by airlines such as British Airways and Lufthansa. As a result, passengers may need to wait at the security checkpoints.

The average security wait time is usually 30 to 40 minutes, but it can vary depending on airport traffic. During weekends or peak hours, the wait time may increase. The airport has three security checkpoints, and each works at different times. Some checkpoints are faster because they offer services like TSA PreCheck and CLEAR.

To avoid delays, it is better to arrive early and complete the security process easily.

Security Check Wait Time at St. Louis Lambert International Airport

The usual security wait time at the airport is around 20 to 30 minutes for most travelers, but this can vary depending on airport traffic. During peak hours, especially late at night or early in the morning, the wait time can increase by up to 40 minutes as more passengers arrive for flights.

Time SlotAM Average Wait TimePM Average Wait Time
12 to 137 minutes9-12 minutes
1 to 20-2 minutes21 minutes
2 to 334 minutes 13-16 minutes
3 to 4 26 minutes   20-23 minutes
4 to 519 minutes 28 minutes
5 to 615 minutes20 minutes
6 to 714 minutes15 minutes
7 to 817 minutes 28 minutes
8 to 96 minutes14 minutes
9 to 1013 minutes0-5 minutes
10 to 115 minutes 0-1 minutes
11 to 126 minutes34 minutes

TSA Checkpoint Timings at St. Louis International Airport Terminal

The airport has different TSA security checkpoints in its terminals to manage passengers easily. Each checkpoint opens and closes at a fixed time, so travelers should check their terminal before arriving. Terminal 1 mainly handles A and C gates, while Terminal 2 covers E and F gates. These checkpoints also serve different airlines, which helps reduce the crowd and makes the security process smoother for everyone.

TerminalsCheckpoint and TimingsServing Airlines
Terminal 1A Gate( 3:30 a.m. – 7 p.m.)Air Canada, United Airlines, and charter flights.
Terminal 1 C Gate(3:30 a.m. – 10 p.m.)Alaska Airlines and Frontier Airlines
Terminal 2E and F Gates(3:30 a.m. – 10 p.m.)Southwest and other international airlines.

CLEAR Security Checkpoints at St. Louis Lambert International Airport

The airport provides CLEAR service at various checkpoints to help passengers get through security faster. These checkpoints are available in both Terminal 1 and Terminal 2, and their timings change depending on the day of the week.

TerminalCHeckpointTIming
Terminal 1Checkpoint ASunday and Thursday: 4 a.m. to 6 a.m.Monday to Wednesday, Friday: 4 a.m. to 5.30 p.m.Saturday: 4 a.m. to 5 p.m.
Terminal 1Checkpoint CSunday to Friday: 4 a.m. to 5 p.m.Saturday: 4 a.m. to 4 p.m.
Terminal 2Checkpoint E (Standard)Sunday to Friday: 4 a.m. to 8 p.m.Saturday: 4 a.m. to 6 p.m.
Terminal 2Checkpoint F (TSA PreCheck)Sunday to Friday: 4 a.m. to 7 p.m.Saturday: 4 a.m. to 5 p.m.

Note: Passengers can also finish their CLEAR enrollment at these checkpoints after completing the online application.

Current TSA Wait Time at STL Airport

The TSA wait time at the airport is usually very short and easy for most travelers. In many cases, passengers can clear security in under 10 minutes with minimal delay. However, when the airport becomes crowded, the wait time can increase up to 15 minutes. The process is still quick and manageable for most people.

Current WaitPreCheck Available
3 minutes and 30 secondsYes

TSA PreCheck Checkpoint Status at STL Airport

TSA PreCheck helps passengers move through security faster and undergo less screening. At the airport, there are several PreCheck checkpoints across different terminals and concourses. However, travelers should check the status before arriving, as some checkpoints may not be open.

TerminalCheckpointStatus
Checkpoint BT1 CentralClosed
Terminal 2Concourse D CheckpointClosed
Terminal 3Concourse E CheckpointClosed
Terminal 3Concourse F CheckpointClosed
Terminal 4Concourse G CheckpointClosed

Hourly TSA Wait Times at STL Airport

The TSA wait times at this airport change throughout the day depending on passenger traffic. In general, early morning and late-night hours have shorter wait times, while mid-day and evening hours are usually busier. Passengers using TSA PreCheck or CLEAR can move through security faster.

Time SlotWait(mins)
1 am – 2 am7.9 mins
2 am – 3 am0.0 mins
3 am – 4 am  3.5 mins
4 am – 5 am  7.9 mins
5 am – 6 am  11.4 mins
6 am – 7 am  10.5 mins
7 am – 8 am  6.6 mins
8 am – 9 am  16.5 mins
9 am – 10 am  16.3 mins
10 am – 11 am  9.3 mins
11 am – 12 pm  16.9 mins
12 pm – 1 pm  8 mins
1 pm – 2 pm  18.4 mins
2 pm – 3 pm  18.1 mins
3 pm – 4 pm  5.5 mins
4 pm – 5 pm  19.4 mins
5 pm – 6 pm  5.9 mins
6 pm – 7 pm  3.5 mins
7 pm – 8 pm  17.4 mins
8 pm – 9 pm  21.4 mins
9 pm – 10 pm  23.4 mins
10 pm – 11 pm  3.5 mins
11 pm – 12 am  5.5 mins

The standard security wait time at St. Louis Lambert International Airport is usually between 20 and 30 minutes in normal lanes. Travelers using TSA PreCheck or CLEAR can often complete the process in 10 to 15 minutes.

FAQs

Q1. What is the average TSA wait time at St. Louis Lambert International Airport?

The average wait time for standard security lanes is usually 20 to 30 minutes.

Q2. How can I reduce my wait time at the airport?

You can use services like TSA PreCheck or CLEAR to move faster through security.

Q3. Should I check wait times before leaving for the airport?

Yes, it is always a good idea to check the latest updates, as wait times can change at any time.

Q4. When is the best time to avoid long security lines?

Early-morning and late-night hours usually have shorter wait times than busy daytime hours.

Q5. Do international flights take more time for security?

Yes, international flights may take a little longer due to extra security checks.

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