Media reports citing a study recently said that U.S. carriers collected more than $6 billion in baggage and reservation change fees from passengers in 2012. The reports said that this was the highest amount since the baggage and air tickets change fees became common five years ago.

According to reports, the revenues earned by U.S. airlines through baggage and reservation change fees have significantly helped the aviation industry to return to profitability. The carriers which stand to gain include Delta Air Lines, American Airlines, United Airlines, Spirit Airlines, US Airways and many more.

The reports further indicated that the passengers should be ready for some more time to continue paying more for enhanced baggage and reservation change fees as well as extra charges for boarding early or picking prime seats.

The U.S. carriers first started charging for a first checked suitcase in the year 2008. Ever since, the fees have been revised several times and passengers asked to pay increased amount.

The U.S. carriers presently charge $25 each way for the first checked bag and $35 for the second bag. This is apart from various additional fees charged for oversized or overweight bags.