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Airport guide

San Francisco International Airport

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San Francisco, CA

Live wait snapshot

Current checkpoint reading

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Official airport homepage

Airport code

SFO

Source-linked airport guide with official references.

Guide coverage

Wait data is labeled by airport-published source state and freshness.

Checkpoint access mapped

Checkpoint and terminal access notes stay separate from live wait claims.

Planning notes included

Planning guidance is context for traveler decisions, not a guarantee of future conditions.

Plan from this airport signal

Choose a checkpoint and leave-time window

Verify first

This planner uses the current SFO airport source response, your travel setup, and available history context. It keeps TSA arrival guidance as the floor and only adds buffers when the source signal calls for caution.

Trip type

Drive / curb time

30 min

Lane preference

Estimated leave target

Set flight time

Based on TSA floor, your drive time, and fallback source-check buffer.

Estimated airport arrival

Set flight time

Based on TSA floor, your drive time, and fallback source-check buffer.

No live checkpoint recommendation

All lanes

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Source unavailableFetch time unavailable

The airport source could not be read on the last attempt.

Last source read: Unavailable

Recommendation math

TSA domestic floor +120 minSource check buffer +20 minDrive +30 min

No reliable live source response is available in this view. The recommendation is conservative planning guidance, not a TSA or airline guarantee.

Historical context

Historical wait context is not available for this airport yet.

Treat this as planning help. Re-check the airport source, airline app, and current traffic before you leave, especially when the source is stale, hours-only, suspended, or unavailable.

Trust and planning

How to read SFO wait coverage

Live minutes

If the source shows ‘15 min’, plan for 15–20 min to account for variability between publish time and your arrival. Treat the number as a snapshot, not a guarantee.

Missing or stale data

If the freshness label reads ‘Stale’ or no wait is published, fall back to posted checkpoint hours, airport advisories, and the peak-window note below instead of assuming a short line.

Checkpoint counts

A count of ‘4 checkpoints’ reflects what the official source tracks, not every physical lane. A checkpoint serving your gate may be unpublished or closed for the day.

At a glance

SFO terminal and checkpoint facts

Terminals
4
Terminals 1, 2, 3, and International Terminal (A and G).
Concourses
B, C (T1); D (T2); E, F (T3); A, G (ITB)
Checkpoints
Checkpoints per terminal
All terminals are connected post-security by walkways; pick the fastest checkpoint.
Operating hours
Typical 4:00 AM opening; closing after last international departure.
Peak hours (local)
International evening peak 7:00-11:30 PM; domestic morning peak 5:30-8:30 AM.
TSA PreCheck
Available
PreCheck at every terminal.
CLEAR Plus
Available
Source: official SFO reference

Planning bullets

How locals actually plan SFO

SFO gives you flexibility after security, which makes line choice powerful.

All terminals are linked post-security, so the fastest published checkpoint is often the right move.

Long terminal walks still matter, especially if you are heading to an international gate.

Use the live board to clear security fast, then budget realistic time for the walk to your gate.

Checkpoint access

Which checkpoint reaches your gate?

SFO says all terminals are connected by both pre- and post-security walkways, so once screened you can walk to any gate.

Official checkpoint and terminal access source

Official SFO resources

Every authoritative link for SFO

Every resource below is a first-party airport, Massport, Port Authority, or TSA page. Use them when you need the canonical answer for SFO rather than an aggregator interpretation.

TSA program references

National TSA and CLEAR references worth checking

Nearby airports

Straight-line distance to other covered airports

Distances are great-circle miles from SFO coordinates; use them as a regional comparison floor, not a drive estimate. Real drive time varies with traffic and metro layout.

Traveler intent

Keep planning SFO on TravelTSA

SFO TSA wait times today

Live checkpoint status, line coverage, and official airport updates for San Francisco, CA.

Open guide

How early to get to SFO

Use live waits, bags, and terminal friction to choose a safer airport arrival window.

Open guide

When to leave for SFO

Turn drive time, terminal access, and security conditions into a practical leave-now decision.

Open guide

SFO TSA PreCheck wait times

See how TravelTSA handles published PreCheck coverage, lane availability, and checkpoint context for SFO.

Open guide

Frequently asked questions

SFO answers from the facts above

How many terminals does SFO have?

San Francisco International Airport operates 4 terminals: Terminals 1, 2, 3, and International Terminal (A and G).

Does SFO have TSA PreCheck and CLEAR?

TSA PreCheck is available at SFO (precheck at every terminal.). CLEAR Plus is available.

When is SFO busiest?

Peak departure windows are typically International evening peak 7:00-11:30 PM; domestic morning peak 5:30-8:30 AM. Build extra buffer during those windows and for holiday travel periods.

How often does TravelTSA refresh SFO?

TravelTSA refreshes the source airport wait-time page every 3 minutes and surfaces new checkpoint data as the airport publishes it.