Schlemko was placed on unconditional waivers for the purpose of terminating his contract Sunday.
The Canadiens traded Schlemko and Byron Froese to the Flyers on Saturday in exchange for Dale Weise and Christian Folin, Frank Seravalli of TSN.ca reports.
Schlemko (upper body) was designated for waivers Monday.
Schlemko (upper body) won't slot back into the lineup versus Minnesota on Monday, John Lu of TSN.ca reports.
Schlemko (upper body) took part in practice Friday but is not ready to return to the lineup, Stu Cowan of the Montreal Gazette reports.
Schlemko (undisclosed) remains at least a week away from a return, Jeff Miller of NHL.com reports.
Schlemko (upper body) was placed on injured reserve Wednesday. The move is retroactive to Dec. 20.
Coach Claude Julien said Schlemko was not "100 percent," so he was replaced by Brett Kulak in the lineup Saturday against Vegas, Stu Cowan of the Montreal Gazette reports.
Schlemko was back in the lineup Monday against Boston after being a healthy scratch for two games. He finished with five blocked shots and three hits over 16:05 of ice time in a 4-0 loss.
Schlemko made his season debut in Saturday's 5-4 win over Vegas, posting a plus-2 rating, one shot and three blocks in exactly 20 minutes of ice time.