San Francisco International Airport (SFO) has 6 main security checkpoints where passengers go through TSA screening. Most passengers pass in about 10 to 30 minutes, but during busy times, it can take up to 50 minutes. To skip the long lines, travelers can use CLEAR, TSA PreCheck, or Global Entry. Are you flying with airlines like COPA Airlines or Alaska Airlines? These programs can make your journey faster and less stressful, so you can relax and enjoy your trip sooner!
If you are travelling through San Francisco International Airport, it’s important to know about the SFO airport security wait times. On most days, security lines take around 10 to 30 minutes, but during busy hours, the wait can stretch to 40-50 minutes. Planning ahead can save you time and stress at the airport.
Here are the main security checkpoints and their operating hours:
| Checkpoints | Hours of Operation |
| Security Checkpoint A | 4:15 am to 2:00 am |
| Security Checkpoint B | 3:15 am to 12:30 am |
| Security Checkpoint B- Mezzanine Level | 4:00 am to 11:00 pm |
| Security Checkpoint D | 3:15 am to 12:30 am |
| Security Checkpoint F1 | 3:15 am to 12:30 am |
| Security Checkpoint G | 4:30 am to 2:00 am |
The wait time at SFO security can vary depending on the time of day, holidays, and the number of staff members on duty. Early mornings are usually the fastest, while late afternoons and evenings can be busier.
Here’s an hourly breakdown of estimated security wait times at San Francisco International Airport:
| Time | Wait Time |
| 4 am – 5 am | 0 min |
| 5 am – 6 am | 19 min |
| 6 am – 7 am | 15 min |
| 7 am – 8 am | 19 min |
| 8 am – 9 am | 18 min |
| 9 am – 10 am | 16 min |
| 10 am – 11 am | 18 min |
| 11 am – 12 pm | 28 min |
| 12 pm – 1 pm | 13 min |
| 1 pm – 2 pm | 12 min |
| 2 pm – 3 pm | 28 min |
| 3 pm – 4 pm | 18 min |
| 4 pm – 5 pm | 9 min |
| 5 pm – 6 pm | 32 min |
| 6 pm – 7 pm | 6 min |
| 7 pm – 8 pm | 5 min |
| 8 pm – 9 pm | 11 min |
| 9 pm – 10 pm | 15 min |
| 10 pm – 11 pm | 32 min |
| 11 pm – 12 am | 3 min |
Remember: These are estimated wait times at SFO security and can change at any time depending on passenger traffic.
At San Francisco International Airport, going through TSA screening usually takes about 15–20 minutes. However, the SFO TSA wait times can sometimes be longer, especially during busy travel periods, holidays, or peak hours. Wait times also depend on the number of passengers and staff available at checkpoints.
| Current Wait Time | PreCheck Available |
| 10 minutes and 24 seconds | Yes |
Travelers using TSA PreCheck at San Francisco Airport can access special lanes for faster security screening. Not all checkpoints are open at all times, so it’s good to know which ones are available before heading to the airport.
| Terminal | Checkpoint | Status |
| International Terminal | Boarding Area A Checkpoint | Closed |
| International Terminal | Boarding Area G Checkpoint | Open |
| Terminal 1 | Boarding Area B Checkpoint | Open |
| Terminal 1 | Boarding Area C Checkpoint | Open |
| Terminal 2 | Boarding Area D Checkpoint | Open |
| Terminal 3 | Boarding Area F1 Checkpoint | Open |
| Terminal 3 | Boarding Area F3 Checkpoint | Closed |
Knowing the TSA wait times at San Francisco Airport can help you plan your trip better and avoid long lines. Below is the hourly breakdown of average TSA wait times at SFO for easier planning:
| Time | Wait(mins) |
| 4 am – 5 am | 0.0 min |
| 5 am – 6 am | 15 min |
| 6 am – 7 am | 14 min |
| 7 am – 8 am | 22.7 min |
| 8 am – 9 am | 16.1 min |
| 9 am – 10 am | 17.5 min |
| 10 am – 11 am | 16.8 min |
| 11 am – 12 pm | 25.5 min |
| 12 pm – 1 pm | 9.7 min |
| 1 pm – 2 pm | 11.5 min |
| 2 pm – 3 pm | 25.9 min |
| 3 pm – 4 pm | 18.8 min |
| 4 pm – 5 pm | 9.4 min |
| 5 pm – 6 pm | 28.7 min |
| 6 pm – 7 pm | 6.3 min |
| 7 pm – 8 pm | 5.1 min |
| 8 pm – 9 pm | 12.4 min |
| 9 pm – 10 pm | 16.4 min |
| 10 pm – 11 pm | 34 min |
| 11 pm – 12 am | 3.2 min |
If you want to save time and reduce SFO airport wait times, programs like CLEAR and TSA PreCheck are the best options. These programs allow travelers to skip long lines and move through security faster.
CLEAR uses biometric verification so members can breeze past queues. CLEAR lanes are available at most security checkpoints:
| Terminals | Locations | Hours of Operation |
| International Terminal, Checkpoint A | Near Gates A1-A15 | 7:00 am to 9:30 pm |
| International Terminal, Checkpoint G | Near Gates G1-G14 | 6:00 am to 9:00 pm |
| Terminal 1, Checkpoint B | Near Gates B6-B18 | 4:00 am to 11:00 pm |
| Terminal 2 | Checkpoint D | 4:30 am to 10:00 pm |
Remember: The lane at Terminal 3, Checkpoint F, is temporarily closed due to construction.
TSA PreCheck gives passengers access to dedicated lanes, reducing SFO airport wait times even further. Enrollment centers are available inside the airport:
| TSA PreCheck Enrollment Centre | Hours of Operation |
| International Terminal, Checkpoint A | 7:00 am – 8:00 pm |
| Terminal 2, Checkpoint D | 6:00 am – 8:00 pm |
| Terminal 3, Checkpoint F | 6:00 am – 8:00 pm |
At San Francisco International Airport, customs services are available only at the International Terminal. On average, passengers spend 10 to 25 minutes at customs, but during busy times or when multiple international flights arrive together, wait times can rise to 30–40 minutes.
Programs like Global Entry and the Mobile Passport App help travelers move through customs faster and reduce SFO Airport security wait times.
Global Entry allows pre-approved and low-risk passengers to use expedited customs lanes:
| Global Entry Enrollment Location | Hours of Operation |
| International Terminal, Pre-security Arrivals Level | 7:00 am to 10:15 pm |
Mobile Passport App (MPC) lets travelers submit passport and customs information through their phone and use a dedicated lane to skip the regular lines.
Using these programs, passengers can significantly reduce their wait times and enjoy a smoother experience at SFO.
On most days, SFO security wait times range from 10 to 30 minutes, but can reach 40–50 minutes during peak hours.
Early mornings between 4 am and 7 am usually have the shortest wait times.
Security lines are typically longest between 3 pm and 6 pm.
Customs is available only at the International Terminal.
Yes, the Mobile Passport App (MPC) allows faster customs processing through dedicated lanes.