Well, it finally happened — you drank United Airlines dry. And by dry, I mean, wine consumption aboard these flights is up by 300 percent. And by you, I mean, business class flyers.

So reveals Brian Sumers, the airline business reporter for Skift, who tweeted about the shortage thusly:

“You may have noticed that our United Polaris customers are really enjoying the new wine offerings and result we have been utilizing more wine on board,” reads a memo to flight attendants from United. “As a result, we are running out of popular wines too quickly. When we plan and buy our wines for the year, we purchase in large quantities, often even buying out the entire stock of a single vintage. This makes it difficult or even impossible to spot-buy more bottles when we encounter a shortage, as we’re in now.”

United offers its business class passengers a range of reds and whites,, according to View from the Wing, including a Colby Red 2014 red blend, a La Crema 2014 Chardonnay, a Kir-Yianni 2014 Paranga red blend from Greece, and a Washington Columbia Crest 2014 Cab, as well as a Robert Weil 2014 Riesling.

H/T View from the Wing