If you look at the Pats SB appearances it seems there are couple of stretches' with multiple appearances in a row then with 2-4 year gaps. I think we should expect something similar just because of player turnover and continued length of Andy's career
Super Bowl 53
Feb. 3, 2019
Patriots 13, Rams 3
Super Bowl 52
Feb. 4, 2018
Eagles 41, Patriots 33
Super Bowl 51
Feb. 5, 2017
Patriots 34, Falcons 28
Super Bowl 49
Feb. 1, 2015
Patriots 28, Seahawks 24
Super Bowl 46
Feb. 5, 2012
Giants 21, Patriots 17
Super Bowl 42
Feb. 3, 2008.
Giants 17, Patriots 14
Super Bowl 39
Feb. 6, 2005
Patriots 24, Eagles 21
Super Bowl 38
Feb. 1, 2004
Patriots 32, Panthers 29
Super Bowl 36
Feb. 3, 2002
Patriots 20, Rams 17
Super Bowl 31
Jan. 26, 1997
Packers 35, Patriots 21
Super Bowl 20
Jan. 26, 1986
Bears 46, Patriots 10