That's the biggest myth on these boards. Cargo is good on those flights for sure, but it does not make up for pax revenue. If they weren't full of high yielding passengers (which they are) then those flights wouldn't exist, cargo or not.
Originally Posted by
Science Goy
All of deep South America, for that matter. Supposedly those flights could go out pretty much empty and they'd still make money on the cargo. It's ridiculously lucrative.