These rules include the dimensions of your carry-on bag and personal item, and in some scenarios, even the weight. The carry-on size limit ... with the following airlines: Frontier, Southwest ...

Frontier Airlines includes totes, computer bags, and kids' backpacks as personal ... inches by 13 inches by nine inches. The maximum size for a personal item that fits under the seat on United ...

The report, viewed by Business Insider, revealed that between 2022 and 2023, the two airlines ... seats and carry-on bags that exceeded the personal item size allowance. Frontier paid the most ...

Similar to checked bag ... one personal item – such as an underseat bag – at no extra cost. Click on the major domestic and international airlines below to see their carry-on luggage size ...