A Delta Airlines pilot was arrested Tuesday morning at the Minneapolis-St. Paul International Airport on suspicion of being intoxicated, reports said.

The 37-year-old Minnesota man was removed from a fully-boarded plane by police shortly before takeoff, according to The Star Tribune.

Transportation Security Administration (TSA) agents reportedly found an empty bottle of alcohol and smelled alcohol on his breath.

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He was released from custody several hours later and has not been charged.

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“The case is still under investigation and we are awaiting final toxicology results, so a detailed report is not available at this time,” an airport spokesman told The Tribune.

The pilot was scheduled to fly to San Diego.

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Minnesota has a 0.04 percent legal limit for pilots and the FAA prohibits pilots from flying within eight hours of drinking, The Tribune reported.

Delta said in a statement its "alcohol policy is among the strictest in the industry and we have no tolerance for violation. Delta is cooperating with local authorities in their investigation."