Meeting a loved one at the arrival gate, or walking a nervous traveller to their departure door, used to be a pre-9/11 memory in America. It's quietly coming back. TSA's Gateside programme — which lets people without a boarding pass clear security and spend time airside — has expanded to more than 300 airports, even though the agency's own landing page still only advertises a handful.

The catch, and it's a meaningful one: you need to be a TSA PreCheck member. If you are, the pass is free, doesn't touch your PreCheck status, and covers a single calendar day. The idea is simple — greet family at the gate, help a grandparent find their way, or catch up with a friend who's connecting through your city. Anchorage to Asheville is on the list, including Atlanta and Tulsa. Notable holdouts include Austin and Dallas Love Field, so check your airport before making plans. Individual airports can also cap numbers — San Jose, for example, limits Gateside to 75 passes per checkpoint per day.

The mechanics matter if you're going to try this. Apply one to three days ahead through the TSA Gateside page, signing in via Login.gov with your Known Traveler Number, chosen airport and visit date. Check you've been approved before you leave home, then bring your physical ID and use the PreCheck lane as normal. Your approval has to be shown live on your phone — screenshots and printouts won't cut it. If you're bringing kids, everyone must be added to the registration. And remember you're still going through full security, so the usual liquids and rules apply.

A couple of realistic caveats. Airport lounges are mostly off the table — most require a same-day boarding pass, even for guests travelling with a member. And the advance registration window is a bit of a shame: if a friend suddenly lands a six-hour layover because of a mechanical or weather delay, you can't sign up same-day (though you can always meet them before security instead).

Why should a traveller care? Because the gate pass restores something airports lost two decades ago: the ability to share the journey's edges with the people who aren't flying. It also makes long layovers less lonely, turns airport drops into proper goodbyes, and — if you genuinely just like your airport's food court — lets you in without buying a ticket. Before 2001 this was normal everywhere; since then only scattered experiments like Pittsburgh's 2017 pilot existed. A nationwide PreCheck-linked version is a genuine upgrade, and a surprisingly low-friction one for anyone already enrolled.

Worth knowing too: because this is free and tied to an existing membership, it's a no-brainer to add to your travel toolkit — just don't expect it at every airport yet, and apply a day or two out rather than hoping for walk-up access.