Include an "Add to Calendar" link in the Reservation Created emails
as a compromise to calendar syncing. The "Add to calendar" link is already a feature in the website when you view a specific reservation. On my Android phone, it is cumbersome to navigate to the website, log-in, and click the reservation and then click the link to add to calendar.
Flight Schedule Pro now sync’s with Google Calendar! See below for details.
Cedric HODES commented
It will be a longer solution to sync it with exchange if app for exchange not made, but it will be cool