United Airlines Holdings Inc. tracks megastar Taylor Swift’s globe-spanning Eras tour to make sure they have enough airplane seats for her army of fans.

Due to the high demand for Swift’s tour, the Chicago-based airline tracks the singer’s tour dates and locations to ensure it has the correct number of seats available for fans to travel to her performances,

United Airlines doesn't have any bad blood with Taylor Swift, quite the contrary, as the pop star is driving up demand for its flights. At a travel industry conference Wednesday, United said it has seen a 25% uptick in demand for flights on weekends during which Swift has held concerts abroad.