Not sure if this qualifies as an award booking, but I booked
JfK-PHX x5 for $0 (actually a $1 credit) on December 25
PHX-JFK on January 1 x4 for $6.50 CAD (on 3, the fourth was a $64 credit)
#DeltaGlitch #winning
Just need to cook the fifth ticket for the return. Will probably book for 20K skymiles