<ACCESSION-NUMBER>0001498710-19-000060 <TYPE>10-Q <PUBLIC-DOCUMENT-COUNT>64 <PERIOD>20190630 <FILING-DATE>20190724 <DATE-OF-FILING-DATE-CHANGE>20190724 <FILER> <COMPANY-DATA> <CONFORMED-NAME>Spirit Airlines, Inc. <CIK>0001498710 <ASSIGNED-SIC>4512 <IRS-NUMBER>381747023 <STATE-OF-INCORPORATION>DE <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>10-Q <ACT>34 <FILE-NUMBER>001-35186 <FILM-NUMBER>19971071 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>2800 EXECUTIVE WAY <CITY>MIRAMAR <STATE>FL <ZIP>33025 <PHONE>954-447-7920 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>2800 EXECUTIVE WAY <CITY>MIRAMAR <STATE>FL <ZIP>33025 </MAIL-ADDRESS> </FILER>