Originally Posted by
sbm12
Would work if the OP was flying on IB the same day, but he states that he is not, so it would be a different day, so not likely to work very well.
Given an arrival into LGW in DL BizElite, using DL-arranged arrival facilities should work somewhere around LGW. Flying IB the same day or next day doesn't matter because IB is neither a SkyTeam carrier nor is the OP flying business from LON-Spain.