Colyar blogged about the incident ... saying, "The flight attendant and her friend got just what they wanted, the n**ger off the plane. I'm sure they feel a great triumph in putting an uppity n**ger in his place." He adds, "At the least I should be suing United Airlines for theft of services, public humiliation and defamation of character." United Airlines tells TMZ ... "As a global airline with a diverse workforce, United has zero tolerance for any type of discrimination and we take every such matter seriously. We spoke to Mr. Colyar Wednesday so that we can address his concerns, and committed to get back to him as we learn more from our coworkers and other customers onboard.” Sources connected to the incident tell us multiple passengers have been interviewed about the situation -- and several people said Colyar was loud with the flight attendant and had become an unruly passenger.Michael, 53, has appeared in several hit TV shows including "227," "Barbershop," "In the House"," and "Martin." His first time in the national spotlight came in 1990 when he became the $100,000 Grand Prize Comedy champion of "Star Search." He donated half his winnings to homeless charities in Los Angeles. Last June, a college football player was kicked off an US Airways flight and arrested when he refused to pull up his baggy pants.
Update, Sept. 6: Michael is suing United Airlines for discrimination.