NEW : Spirit Airlines said Thursday it 's sorry that hundreds of passengers had flights delayed for hours from Fort Lauderdale-Hollywood International Airport because of the airline 's voluntary engine inspections . Spirit says the checks are complete and apologized for the delays . Spirit 's voluntary engine inspections caused lengthy delays . Comment: Some travelers lost their tempers but no arrests were made .
NEW : Spirit says the checks are complete and apologized for the delays . Spirit 's voluntary engine inspections caused lengthy delays . Comment: Some travelers lost their tempers but no arrests were made .