Act now and you can get business awards for two outbound on 6/27 or 6/28 ATL-NYC or ORD-LHR and return the 7th, 9th, 10th or 11th via JFK or ORD, though the short flight to ATL is a bit scarcer and may require an overnight. However the long flights are avail in biz now, and I'd jump since it's typically only 2-3 seats per flight.

And you can split the miles up, taking 50k from your wife's account and 150k from yours.