What is airportd?

2008-02-25 17:00

airportd is the process that manages Wi-Fi on your Mac.

Why is it called "airport"?

Airport was Apple's original name for Wi-Fi (remember the AirPort Base Station?). Apple dropped the brand, but the process kept the name.

What does it do?

airportd handles everything to do with your wireless connection: scanning for networks, connecting to saved ones, managing passwords, and moving between access points as you walk around.

Why is it always running?

As long as Wi-Fi is turned on, airportd must run. It keeps your connection alive, watches for signal changes, and reconnects if the link drops. It also stores the list of networks your Mac remembers.

Does it use many resources?

Normally very little. It may use more if it is:

Scanning in an area with many networks
Struggling to hold a connection and reconnecting over and over
Dealing with a hardware or driver problem

Can you turn it off?

Not directly. If you turn off Wi-Fi from the menu bar or System Settings, the process goes idle. There is no reason to turn it off unless you are chasing a Wi-Fi problem.

Should you worry?

No. It is a core macOS process signed by Apple. If you are having Wi-Fi trouble, its logs can help:

log show --predicate 'subsystem == "com.apple.wifi"' --last 5m

Enjoyed this post?

Well, you could share the post with others, follow me with RSS Feeds and/or send me a comment via email.