What you pay for a Delta Air Lines ticket may soon depend less on timing and more on what an algorithm thinks you’re willing to spend. About 3% of Delta’s domestic ticket prices are now determined by artificial intelligence,

Delta Air Lines is revolutionizing how it prices tickets by using artificial intelligence to pinpoint the maximum amount each traveler is willing to pay. According to The Verge, the airline, which tested this technology on a small scale last year,

Prices are based on Delta’s internal data, such as historical bookings, as well as external variables like weather and market trends.