Originally Posted by
Flying for Fun
Why is it unlikely? On what grounds? Your statement is pure speculation; unsubstantiated.
Because it was a transcon flight and the difference between economy and first on a transcon flight is usually more like $400-$1000 rather than $160. So, yes, it's possible, but it's unlikely.
$160 sounds more like the difference between a decent first class fare purchased a couple of months out (say, $960) and a walk-up economy fare (say, $800). Of course it's possible that that was the differential at booking, but, again, it's unlikely.
And, yes, this is speculation. That's why I use the word "unlikely" rather than "impossible"