Spirit Airlines (ATDB)

Name	Alias	IATA	ICAO	Country	Base	Dates
Spirit Airlines		NK	NKS	USA.Florida	Detroit-Metropolitan; Fort Lauderdale	1992-2026
Started scheduled services in 1993 from Florida. Acquisition by Comair failed in 1996. Moved HQ from Michigan to Florida in 1999. 51% interest acquired in 2004 by Oaktree Capital Management Llc, California. Controlling interest purchased 7/06 by Indigo Partners LLC, Phoenix (owned by William A Franke, former head of America West). Halved its size and operations during 2008 (announced 3/6/08). IPO announced 18/9/10, launched 26/5/11. Shares of Indigo Partners resold in 7/13. Purchase offer from Frontier Airlines for $6.6b announced 7/2/22; counter-offer from JetBlue announced 6/4/22. Agreement to be taken over by JetBlue for $3.8b announced on 28/7/22, to be completed mid-2024 after legal agreements; however deal was blocked by US DoJ on 7/3/23 due to competition concerns and that decision was confirmed on 16/1/24; merger plan officially abandinned by JetBlue on 4/3/24. Entered Chapter 11 bankruptcy protection on 18/11/24, continuing operations. Exited Chapter 11 on 12/3/25. Entered Chapter 11 again on 29/8/25. Ceased operations on 2/5/26.
Charter One Airlines	Ground Air Transfer	NK		USA.Florida	Atlantic City; Detroit,MI/Ft.Lauderdale	1980-1992