I guess it depends upon what "Airline" means.
http://www.qantas.com.au/fflyer/dyn/...m/terms#jump13
14.7.4 Subject to 14.7.5, changes to flight number or date of travel, without changing:
(a) name;
(b) class of travel; or
(c) Segment routing or airline,
are permitted to a Classic Award after ticketing (or booking in the case of Jetstar Asia (3K) or Valuair (VF)) and prior to or after commencement of travel, but will require ticket revalidation (or new Itinerary confirmation in the case of Jetstar Asia (3K) or Valuair (VF)) and will incur a Change Fee (see the
Fee Schedule) per passenger.
14.7.5 Changes are not permitted (after travel has commenced) to any Classic Award for which a paper ticket has been issued.
14.7.6 Any change made to a Classic Award which requires ticket revalidation or ticket reissue (or new Itinerary confirmation), will incur a Change Fee (see the
Fee Schedule) per passenger.