Guide

You can bring two power banks if each stays in your carry-on and fits the airline’s battery size limits. Two power banks can save a trip day. Your phone stays alive for boarding passes and maps. Your earbuds keep going through delays. Airlines treat power banks as spare lithium batteries, so the rules are stricter […]

Delta lets you bring one carry-on and one personal item, and a backpack works as the personal item if it fits under the seat. You’re standing at the gate with a roller bag and a backpack and the only thing you want is to board without drama. Delta’s cabin-bag setup is simple on paper, yet

Yes, a backpack is usually fine as cabin baggage when it fits the airline’s size rules and your ticket includes that allowance. You can bring a backpack on most flights. The catch is simple: airlines don’t care what you call the bag. They care where it stows, how big it is when packed, and what

A 40 oz tumbler is fine on most flights when it’s empty at screening, then filled after you clear security. A big tumbler can be a lifesaver on travel days. Fewer plastic bottles. Less hunting for tiny cups on the plane. And if you land dehydrated, you feel it. Still, a 40 oz cup can

An 8-fl-oz liquid won’t clear carry-on screening without an exemption; decant to 3.4 oz or pack the full bottle in checked baggage. You’re staring at an 8-fluid-ounce bottle and thinking, “It’s not huge. Surely this is fine.” Then you picture the security lane, the gray bins, the rush, and the moment an officer pulls your

A 5-oz liquid won’t pass U.S. carry-on screening unless it fits an exemption; pack it in checked luggage or decant to 3.4 oz. You’ve got a 5 oz bottle in your hand and a flight coming up. The label says 5 oz. The bottle is half full. You’re thinking, “Surely that’s fine.” TSA sees it

A 200 mL bottle won’t pass security in your carry-on unless it meets an exemption; pack it in checked baggage or pour it into 100 mL bottles. You’ve got a 200 mL bottle in your hand and a flight on the calendar. Maybe it’s shampoo, cologne, sunscreen, hair product, cough syrup, contact solution, or a

Yes, a 32-inch suitcase can fly as checked baggage, but many fall over the 62-inch size limit and trigger oversize fees. A 32-inch suitcase sounds simple: big bag, check it, done. The snag is that airlines don’t price baggage by the label on the suitcase. They price it by total measured size (plus weight). That’s

Yes, airlines can accept four suitcases, but your fare and route decide if you’ll pay extra, hit a piece limit, or get turned away at check-in. Four suitcases sounds simple. You show up, hand them over, walk to security. Then the check-in agent asks a question that changes everything: “How many bags are included on

Yes, 200 cigarettes can usually fly in carry-on, but customs allowances and local tobacco limits decide what you can bring in without trouble. You’re not alone if this question hits right before a flight. Cigarettes are small, the rules feel blurry, and the last thing you want is a bin-search at security or a customs