The flight too long, I got a bed on the jet
Gulfstream jets feature Tempurpedic™ matresses
This suggest that he flies a lot over long distances, but also that hes so pimp that he can afford to fit a bedroom in his private jet. In all probability, he is likely using this line as a way to suggest sex to whatever lucky gal is on the jet with him.
To help improve the meaning of these lyrics, visit “John” by Lil Wayne (Ft. Rick Ross) Lyrics and leave a comment on the lyrics box