Southwest Airlines is about to stop serving peanuts on its flights.

"Peanuts forever will be part of Southwest's history and DNA," the carrier said. "However, to ensure the best onboard experience for everyone, especially for customers with peanut-related allergies, we've made the difficult decision to discontinue serving peanuts on all flights beginning August 1."

Southwest has been serving peanuts on and off since the early 1970s, and peanuts have been a consistent offering of the carrier since approximately 1980. 

Most other U.S. airlines don't serve peanuts. One exception is Delta. However, Delta states on its website that it will refrain from serving peanuts on a specific flight if it receives notification of a peanut allergy from a passenger ahead of time.

Southwest said it will continue to serve pretzels on short-haul routes as well as a variety of snacks on 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," the carrier said. "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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