XO (formerly XOJET) is a US-based private aviation company and subsidiary of Vista Global with its headquarters in Fort Lauderdale, Florida.

[4] The company offers a number of private jet charter programs that allow customers to choose their arrival and departure points.

[10] XOJET was founded in 2006[11] by Paul Touw[12] and Keith Krach[13] as a private jet charter company with customers purchasing a set number of annual flight hours, similar to fractional ownership.

[7] In February 2017, XOJET said it had retained Perella Weinberg Partners to explore financial options, including a possible sale or merger.On September 20, 2018, Vista Global (founded by Thomas Flohr in 2018 and the parent company of VistaJet), said it had reached an agreement to acquire the fleet and commercial operations of XOJET.

In April 2019, Vista purchased the Florida-based mobile booking app developer JetSmarter.