Southwest passengers received free Whataburger

TEXAS (KTRK) -- March 2nd was Texas Independence Day. The day marks Texas' independence from Mexico and one Twitter user had a unique idea to celebrate.

The Houston native tweeted, "On #TexasIndependenceDay @SouthWestAir should provide @Whataburger on all their flights. #MillionDollarIdea #MarketingInBed #StillThinkSo"

Both companies are based in Texas with Southwest in Dallas and Whataburger in San Antonio.

The companies took his #MillionDollarIdea and made it happen.

After the event both companies reached out to @lwaysBeHappy to thank him for his wonderful idea.

Whataburger tweeted, "@lwaysBeHappy thanks so much for the idea, because it was too good to pass up. Where do we send the royalties?"

Southwest tweeted, "@lwaysBeHappy Look what you started! We're not done with you, young man. cc: @Conor_Shine BT"