Fly Delta is a free app available for download, and there is no subscription fee to access its basic features.

Yes, Fly Delta requires an internet connection for most of its features, such as booking flights and retrieving flight information, although some features may be accessible offline once downloaded.

Users can contact Fly Delta support through the app by accessing the help section, or by visiting the Delta Air Lines website for additional support and feedback options.

Since Fly Delta does not have a subscription model, there is no need to manage or cancel a subscription, but users can manage their travel reservations directly through the app.