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United Airlines flight delayed four hours after passenger smokes marijuana onboard

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United Airlines flight delayed four hours after passenger smokes marijuana onboard
Policy
Webp scoo
Scott Kirby, chief executive officer | United Airlines

A United Airlines flight from San Francisco International Airport to Cancun International Airport was delayed for four hours on August 5 after a passenger smoked marijuana in the aircraft's front lavatory during a ground delay. The incident occurred on flight UA1679, operated by a Boeing 737 MAX 9.

Although marijuana is legal in California, federal law applies at airports and on airplanes. The Federal Aviation Administration (FAA) prohibits smoking and the use of illegal substances on commercial flights. If marijuana is used or found in airport spaces, authorities will take action.

The main issue that led to the extended delay was exposure of the aircrew to secondhand marijuana smoke. Pilots in the United States are subject to random drug testing, and failing such tests can result in immediate termination and loss of license. In this case, the pilot refused to operate the flight after learning about the incident and requested a replacement crew.

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Passengers were required to disembark, and a new crew was assigned before the flight could continue. According to Yahoo News, United Airlines provided $15 meal vouchers as compensation for the delay. One passenger shared their experience online, quoting the captain: “I have 30 years left of my career at United, I’m not willing to risk getting drug tested when I get to Houston.”

FAA policy maintains zero tolerance for pilots operating under the influence of alcohol or drugs, including prescription substances that may impair judgment. Regulations require that pilots wait at least eight hours between consuming alcohol and flying. The FAA does not make exceptions for extenuating circumstances involving drug exposure.

Obtaining a commercial pilot’s license requires significant time and financial investment. A failed drug test—even due to secondhand exposure—can end a pilot’s career.

The captain has ultimate responsibility for safety aboard an aircraft and makes final decisions regarding flight operations. Strict training and regulations aim to ensure professionalism among aircrew members and maintain aviation safety standards.

While there may have been little direct safety risk from this particular incident, federal policies exist to protect both passengers and crew from potential hazards caused by impaired individuals onboard.

Attribution for part of this coverage was given to Green State’s reporting on public reaction to the event.

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