The Red Wings fell to the Flyers Tuesday night 4-3 on the road.
Pavel Datsyuk had a goal and an assist in the loss, the second in a row for the Wings.
Andreas Athanasiou scored his sixth goal of the season.
Michael Raffl and Wayne Simmonds both scored in the first to give the Flyers a lead they would never relinquish.
The Flyers have 78 points and pulled within one point of the Red Wings for the final Eastern Conference wild-card playoff berth.
The Wings have lost five of seven and have a tenuous grasp on the final playoff spot. The Red Wings play their next three games on the road.
They have made the playoffs 24 straight seasons.
Pittsburgh Penguins 2, New York Islanders 1
Washington Capitals 2, Carolina Hurricanes 1 (OT)
Philadelphia Flyers 4, Detroit Red Wings 3
Toronto Maple Leafs 4, Tampa Bay Lightning 1
Florida Panthers 4, Montreal Canadiens 1
Ottawa Senators 3, Minnesota Wild 2 (OT)
Los Angeles Kings 5, Dallas Stars 2
San Jose Sharks 3, Boston Bruins 2
By: Mike Plourde – for Great Lakes Radio Sports