Will there be an extension fee even when its via delayed connect flight or other external reasons? November 30, 2020 00:29 Updated Yes, extension fee will apply until the device is returned. These extra days are in subject to extension rental and if applicable, option fees. Related articles I did not place any extra option when ordering. Is it possible to add on some of the option when I pick up from the airport counter? What happens if I decide to return the device at a different counter?