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They even created a blog for flyers to learn more about the company, called “Nuts About Southwest.”

One of the airlines' most memorable ad campaigns pitched the notion that its airfares are so low that passengers could fly for peanuts.

Known for their salty, honey-roasted nuts in bright red and blue bags, Southwest Airlines says they want to ensure the best and safest on-board experience for everyone, especially for customers with peanut-related allergies.

The airlines will continue to serve pretzels and other free snacks for longer flights.

“Our ultimate goal is to create an environment where all customers -- including those with peanut-related allergies -- feel safe and welcome on every Southwest flight,” Southwest officials said in a statement.

While peanut-free Southwest flights may seem like the end to an era, airline officials insisted that the decision won’t affect in-flight service.

“We'll miss the peanuts, but, at the end of the day, it's our Southwest Employees and the Hospitality they deliver that set us apart, far more than peanuts ever could.”

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