United flight diverts after door attempt

United Airlines diverted Flight 1551 to Washington Dulles International Airport on Thursday night after a passenger allegedly tried to open a cabin door while the plane was at cruising altitude, according to air traffic control audio and statements reported by CBS New York. The flight, a Boeing 737 Max 8 bound from Newark Liberty International Airport to Guatemala City, was carrying 145 passengers and six crew members, CBS and other local outlets reported. United said the aircraft landed safely and was met by law enforcement. The incident came as other United passengers at Newark reported hours-long tarmac delays and cancellations this week, while the Port Authority moved ahead with a separate $200 million plan to modernize the airport’s oldest terminal. ### What exactly happened on Flight 1551? Flight 1551 left Newark on May 21 and was headed to Guatemala City when the crew reported an unruly passenger, according to CBS New York. The pilot told air traffic control that a passenger had tried to open a door at 36,000 feet, prompting the diversion to Dulles. Washington Dulles was the diversion airport, and the plane landed there at 8:38 p.m., according to the reports surfaced in local coverage. (cbsnews.com) United said the aircraft was met by law enforcement “to address an unruly passenger,” CBS reported. ### Can a passenger actually open an airliner door at that altitude? At 36,000 feet, the reported attempt is treated as a security and safety incident regardless of whether the door could be opened. (cbsnews.com) CBS New York’s report said the pilot described an attempt to open the door, and follow-up local reports said the passenger also assaulted another traveler before the diversion. (wghn.com) United has not publicly described the passenger beyond calling the person unruly in the statement carried by CBS. The available reports do not identify the passenger by name or state any charge as of Friday. ### Was this connected to the broader Newark disruption? Newark Liberty was already dealing with operational strain on Wednesday, when passengers on multiple United flights said they sat on the tarmac for hours and in some cases saw their flights canceled, NBC New York reported. (cbsnews.com) The station said travelers described delays stretching as long as seven hours. NJ.com reported that severe thunderstorms contributed to widespread delays at Newark on Wednesday. That weather-related disruption is separate from the Flight 1551 diversion, which happened the next night and involved an onboard passenger incident rather than airport operations. ### Why is Terminal B suddenly part of this story? (nbcnewyork.com) The Port Authority of New York and New Jersey approved the first phase of a $200 million Terminal B modernization program on May 20, according to the agency and NJ.com. The board authorized an initial $75 million for near-term improvements including gate areas, restrooms, elevators and escalators at the 53-year-old terminal. (nj.com) Terminal B handled about 11.5 million passengers in 2025 after being designed for roughly 6.8 million annual passengers, according to Port Authority materials cited by local business and transportation coverage. The broader three-year program is intended to maintain the terminal until a new Terminal B opens in the mid-2030s. (panynj.gov) ### What happens next for passengers and the airport? United said law enforcement met Flight 1551 at Dulles after the safe landing, and local reports indicated the FBI responded to the aircraft. Public updates on any charges or federal case would most likely come from law enforcement or court filings tied to the Dulles diversion. (roi-nj.com) At Newark, the next concrete step is the $75 million first phase of Terminal B work approved by the Port Authority board on May 20. The agency said that investment is part of a broader three-year, $200 million program to keep the terminal operating until its planned replacement in the mid-2030s. (panynj.gov) (cbsnews.com)