LOS ANGELES - A Texas woman is leaving Las Vegas $300,000 richer.Megan H. of Flower Mound, Texas, won a $302,000 jackpot at the Las Vegas McCarran International Airport while waiting to get on her flight home.Megan played the Wheel of Fortune slot machine in the B concourse of Southwest Airlines, and the video showing her reaction after winning the big prize was posted on social media by Las Vegas Locally.The video has since gone viral, racking up thousands of likes and retweets on social media."Lesson of the day: follow your dreams, never give up, and always play Max Bet," Las Vegas Locally wrote.AdvertisementRELATED: Georgia Corvette lottery winner can’t claim prize because the car is too hotThe next day the Twitter page wrote, "Rumor has.