Alaska Airlines to shrink the allowable size of carry-on bags in June

Alaska Airlines Plane
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ANCHORAGE (KTUU) - One of the nation's largest air carriers announced that, after June 4, passengers boarding its flights will need to check their carry-on bags to ensure they fit new, smaller dimensions.

Alaska Airlines stated on its website that the shift will reduce the size of allowable carry-on bags from the current permitted measurement of 24 inches long, 17 inches high, and 10 inches wide.

Instead, starting June 4, the size of bag allowed will be 22 inches long, 14 inches high, and 9 inches wide.

The reason behind this downsizing, Alaska Airlines explains, is "to make sure that your carry-on bag will be accepted aboard all the flights within your itinerary."

According to the airline, the current allowed measurement is "larger than most other international and domestic airlines allow." It writes that larger bags can cause problems with connecting flights.

Alaska said the new restrictions will "help you avoid carry-on bag size conflicts and make connections with other airlines easier during your future trips," as connecting flights from other carriers may have smaller allowances.

Aside from a few competing airlines, this is true. Most major airlines, including United, American, and Delta, all use the 22x14x 9 measurement that Alaska is switching to in June.

Southwest Airlines, on the other hand, still allows bags with a measurement of 24x16x10.

Alaska said there will be some exceptions to the rule of the carry-on size allowance, but those items will need to be stowed in the aircraft cabin.

The exceptions include small musical instruments, paintings, delicate scientific equipment, fishing poles, and human organs.