Originally Posted by
techie
In discussions of what is the longest flight by X airline (or in the world), it is worth being specific about criteria used: longest duration or longest by distance? For the former, it's Delta's JNB > ATL and for the latter it is Qantas SYD to DFW. So longest can potentially have a multitude of meanings.
Thanks techie. Seeing as I referenced the duration as opposed to the length in my original post, I thought it was quite clear, but point taken