*a flight cdg to ATL advice needed
 

Have a flight booked from cdg to ATL on air canada with UA miles before devalue in biz class. I booked outbound on the day we need but the return was booked in saver on the wrong date to hold the reservation. Looking for advice on a flight on jan 4 from cdg to ATL. Willing to connect using a good biz class product if anyone can give advice on options it would be appreciated.