2018 First Quarter Spirit Airlines Reports First Quarter 2018 Results Form 10-Q Annual Reports Title View 2018 Notice & Proxy Statement 2018 Notice & Proxy Statement 2017 Form 10-K 2017 Form 10-K Proxy Statements Date Filed View April 06, 2018 View HTML 0001498710-18-000103.pdf 0001498710-18-000103.xls April 05, 2017 View HTML 0001498710-17-000089.pdf 0001498710-17-000089.xls Form 10-K Date Filed View February 13, 2018 View HTML 0001498710-18-000079.pdf 0001498710-18-000079.xls February 13, 2017 View HTML 0001498710-17-000044.pdf 0001498710-17-000044.xls Form 10-Q Date Filed View June 12, 2018 View HTML 0001498710-18-000125.pdf 0001498710-18-000125.xls April 26, 2018 View HTML 0001498710-18-000117.pdf 0001498710-18-000117.xls