It has highlighted Brexit and other “headwinds” as factors in hindering its ability to give a clear outlook for the full-year.
Dart Group comprises Jet2.com and Jet2holidays, as well as logistics arm, Fowler Welch.
For the half year ended 30 September, group operating profit increased by 3% to £365 million (2018: £354.4 million) and group profit before foreign exchange revaluation and taxation increased by 3% to £349.8 million (2018: £340.2 million).
For the leisure travel division, while revenue growth was strong (17% up to £2,528.8 million), operating profit margin reduced to 14% (2018: 16%).