Through Super Bowl LI (2017) the Pittsburgh Steelers have 6 wins in 8 appearances, followed by the Dallas Cowboys (5 of 8) and San Francisco 49ers (5 of 6) & the New England Patriots (5 of 9). The Steelers are the only team with two sets of back-to-back wins (IX-X and XIII-XIV).
The Steelers won Super Bowl IX, X, XIII, XIV, XL and XLIII and they lost Super Bowl XXX and Super Bowl XLV. They beat the Cowboys in Super Bowls X and XIII and lost to the Cowboys in Super Bowl XXX.
Here are their appearances:
They call it a "Three-Peat" No, they are called the Green Bay Packers.
Darwin High School.
The record for consecutive games won by a team is 26 by the 1916 New York Giants accomplished between Sept.7 and Sept.30,1916.
Dallas Cowboys (1966-1985).
The last team to win two Super Bowls in a row was the New England Patriots in Super Bowls 38 and 39 (2003-2004 and 2004-2005 seasons).
Oklahoma
FSU
85 bears
The 1971-72 Lakers won 33 in a row.
They call it a "Three-Peat" No, they are called the Green Bay Packers.
Penguins
The current UConn womens team.
Darwin High School.
New England Patriots streak of 21 straight wins from 06-08
New England Patriots. I think it was 2003-2004. Not 2007 when they won 18 in a row. that includes playoff wins. This year's packers are number 2 all time with 19 and counting. Tons of other teams tied for 3rd with 18 wins in a row.
The Most NHL team winning streak was in 1987-1988, where the Detroit Redwings had a record of 65 Wins in a row at the end of the season, Their season ending record was the #1 in the league having a 73-5-4 record, they won the Stanley Cup going 27-5-1
The Bills, Broncos, and Vikings. Bills are significant because they lost four years in a row.