This article refers to Circles.Life Jetpac product. If you have purchased a post-paid mobile plan from Circles.Life, please refer here for roaming related FAQs.
SmartDelay is built to track almost all major commercial airline flights, but there are limitations against airlines/airports that do not report data regularly.
You can register any flight where the airline accurately reports the announcement to FlightStats. If you try to register a flight that does not meet these conditions, the system will inform you of this and you will not be able to register.
Each flight of a journey with multiple connections requires its own registration.