Part of the 1967 NHL Expansion, the Flyers were the first expansion team in the post–Original Six era to win the Stanley Cup, victorious in 1973–74 and again in 1974–75.
The Flyers' all-time points percentage of 57.5% (as of the 2018–19 NHL season) is the third-best in the NHL, behind only the Vegas Golden Knights and Montreal Canadiens. Additionally, the Flyers have the most appearances in the conference finals of all 24 expansion teams (16 appearances, winning 8), and they are second behind the St. Louis Blues for the most playoff appearances out of all expansion teams (40 out of 52 seasons).
The Flyers have played their home games on Broad Street since their inception, first at the Spectrum from 1967 until 1996, and then at the Wells Fargo Center since 1996.
The Flyers have had rivalries with several teams over the years. Historically, their biggest adversaries have been the New York Rangers, with an intense rivalry stretching back to the 1970s. They have also waged lengthy campaigns against the New York Islanders in the 70s and 80s, the Boston Bruins, a bruising battle especially in the 1970s, the Washington Capitals, which has always been intense since their days in the Patrick Division, as well as the New Jersey Devils, with whom they traded the Atlantic Division title every season between 1994–95 and 2006–07, and finally they enjoy a spirited rivalry with their cross-state and expansion brethren, the Pittsburgh Penguins, which is considered by some to be the best rivalry in the league.