St. Louis Lambert International Airport Security Wait Times
St. Louis Lambert International Airport is the largest and busiest airport serving Missouri in the United States. The general wait time at the security checkpoints is between 30 and 40 minutes. However, the timings can change any day, depending on the passenger traffic. The airport also provides TSA PreCheck and CLEAR services that can expedite the security process, eventually reducing the STL wait times. The three checkpoints at the airport have specific timings, especially those with faster processing.
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Standard Security wait times at St. Louis Airport
The standard security wait times at Lambert Airport are 20 to 30 minutes. It can increase up to 40 minutes during the peak travel time of late night. For international flights, it can be more than the regular domestic flights.
| Security Wait Time at STL Airport | |||
|---|---|---|---|
| AM | Average Wait Times | PM | Average Wait Times |
| 12 to 1 | 37 minutes | 12 to 1 | 9-12 minutes |
| 1 to 2 | 0-2 minutes | 1 to 2 | 21 minutes |
| 2 to 3 | 34 minutes | 2 to 3 | 13-16 minutes |
| 3 to 4 | 26 minutes | 3 to 4 | 20-23 minutes |
| 4 to 5 | 19 minutes | 4 to 5 | 28 minutes |
| 5 to 6 | 15 minutes | 5 to 6 | 20 minutes |
| 6 to 7 | 14 minutes | 6 to 7 | 15 minutes |
| 7 to 8 | 17 minutes | 7 to 8 | 28 minutes |
| 8 to 9 | 6 minutes | 8 to 9 | 14 minutes |
| 9 to 10 | 13 minutes | 9 to 10 | 0-5 minutes |
| 10 to 11 | 5 minutes | 10 to 11 | 0-1 minutes |
| 11 to 12 | 6 minutes | 11 to 12 | 34 minutes |
STL Terminal TSA Checkpoints Operating Timings
The St. Louis Airport has three main TSA security checkpoints in Terminal 1 (serving A gates and C gates) and Terminal 2 (serving E and F gates), with specific hours for each section to manage traffic for different airlines.
| Terminal | Checkpoint | Timings | Serving Airlines |
|---|---|---|---|
| Terminal 1 | A gates | 3.30 a.m. to 7 p.m. | Air Canada, United Airlines, and charter flights. |
| Terminal 1 | C gates | 3.30 a.m. to 10 p.m. | Alaska Airlines, Frontier Airlines, and American Airlines. |
| Terminal 2 | E and F gates | 3.30 a.m. to 10 p.m. | Southwest and other international airlines. |
CLEAR Checkpoints at Lambert Airport
STL Airport offers CLEAR facilities at four checkpoints across both terminals. The timings are different on weekdays.
| Terminal | Checkpoint | Timings |
|---|---|---|
| Terminal 1 | Checkpoint A | Sunday 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 1 | Checkpoint C | Sunday to Friday: 4 a.m. to 5 p.m.Saturday: 4 a.m. to 4 p.m. |
| Terminal 2 | Checkpoint E (Standard) | Sunday to Friday: 4 a.m. to 8 p.m.Saturday: 4 a.m. to 6 p.m. |
| Terminal 2 | Checkpoint F (TSA PreCheck) | Sunday to Friday: 4 a.m. to 7 p.m.Saturday: 4 a.m. to 5 p.m. |
NOTE: Flyers can also complete their enrollment from these checkpoints after submitting their application online.
TSA Wait Times at STL Airport
The TSA wait times at STL Airport range between 0 and 15 minutes currently. It takes less than 10 minutes on average, but can extend to 15 minutes if the checkpoints are too crowded.
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The st louis airport security wait times usually range between 20 and 30 minutes for standard lanes. Those with enrollments in TSA and CLEAR can get away with 10 to 15 minutes, due to faster processing. Additionally, these timings can change anytime; hence, everyone must refer to the official sources for updates.
Frequently Asked Questions (FAQs)
On average, it takes 10 to 25 minutes on normal days to complete the security procedure at St. Louis Lambert International Airport.
There are a total of three main TSA security checkpoints. Two at Terminal 1 and one serving Terminal 2.
At St. Louis Airport, four checkpoints, A, C, E, and F, provide CLEAR service.
The TSA checkpoint at STL Terminal 2 opens at 3.30 a.m. and closes by 10 p.m.
The current wait time at STL Airport is under 15 minutes.