Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.If you’re flying with Southwest today (and you’re over 21 years old), the luck of the Irish is with you. Today the carrier is giving its passengers free drinks to honor St. Patrick’s Day. Of course, passengers must be of age in order to indulge, but that’s about as far as the restrictions go.In addition to this St. Patrick’s drink, the carrier also offers free drinks on select other holidays throughout the year. Here’s a complete list of the free drink days on Southwest’s holiday schedule:New Year’s Day — January 1Valentine’s Day — February 14St. Patrick’s Day — March 17Southwest’s Birthday — June 18Father’s Day — June 18, 2017 (note that this is the same date as Southwest’s birthday this year)Independence Day — July 4Southwest Airlines Rapid Rewards Credit Card’s Anniversary — September 20Halloween — October 31Thanksgiving — November 23, 2017Happy flying today, Southwest travelers!