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A reported “disagreement” between two United flight attendants caused a nearly four-hour plane delay on Monday

United Airlines flight 2138 was set to depart Des Moines, Iowa, for Chicago at 11:26 a.m. local time, but did not leave until 3:24 p.m.

Passengers reportedly deplaned as a result of the incident

Passengers preparing to fly out of Des Moines, Iowa, on Monday were met with a four-hour delay after a reported incident between two flight attendants transpired on board.

The situation occurred on Monday, Oct. 27, as United Airlines flight UA 2138 was preparing to depart Des Moines International Airport. According to FlightAware, the Airbus A320 was originally scheduled to take off at 11:26 a.m. local time, but did not leave for Chicago O’Hare International Airport until 3:24 p.m.

In internal records reviewed by Paddle Your Own Kanoo and One Mile at a Time, United cited the reason for the delay as a “disagreement” between two crew members.

“Crew availability flight attendant: disagreement on 2 of the [flight attendants.] [Inflight duty manager] pulling all crew and will need to recrew flight,” the log noted.

A subsequent message at 12:08 p.m. confirmed the aircraft was deplaned.

After re-crewing, the flight eventually left, nearly four hours after its scheduled departure time. The aircraft landed at 5:09 p.m. in Chicago, 4 hours and 12 minutes late, according to FlightAware.

Nicolas Economou/NurPhoto via Getty

A United Airlines plane

A representative for United declined to comment on the matter after PEOPLE’s request.

Earlier this month, a Delta Air Lines flight attendant caused delays after accidentally deploying an emergency slide at an arrival gate.

The mishap occurred on Saturday, Oct. 25, on flight 3248 from Pittsburgh, Penn., to Salt Lake City, Utah, according to a Delta spokesperson.

“While the aircraft door was being opened, crew inadvertently deployed an emergency slide at the arrival gate in PIT,” a spokesperson said in a statement. “As a result, customers on the return flight from PIT to SLC were rebooked on other Delta flights to their destination later that evening or the following morning.”

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Data from Flightradar24 showed the aircraft departed almost four hours late, taking off at 9:21 p.m. instead of the initially scheduled 5:30 p.m. takeoff. It later landed at 11:12 p.m., over three hours late.

Passengers were reportedly stuck on board until engineers were able to manually detach the chute, which took about an hour, per the New York Post.

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