Since the Titans moved to Tennessee, their franchise record is 183 - 168 for a .521 winning percentage.
Checkout the list of all the Pro-Football Franchises along with stats and records for both Active and Inactive Franchises on Pro-Football-Reference.com
www.pro-football-reference.com
A franchise winning percentage of .521 would be good enough for them to rank 15th out of 32 NFL teams.
https://en.wikipedia.org/wiki/List_of_all-time_NFL_win–loss_records
And the Titans 8-8 [.500] play off record would rank them as having the 11th best playoff winning percentage in the NFL.
The fans in Tennessee have been able to enjoy a winning football team since they've moved there.
Check out the NFL franchise winning percentages of other teams to see which ones that they have out performed.
https://en.wikipedia.org/wiki/List_of_all-time_NFL_win–loss_records
You would be surprised to see which teams that they rank ahead of, especially when their Houston statistics aren't included.
Even with their Houston record included, there's not many percentage points separating NFL teams in the middle of the pack.
The NFL's salary cap rules make a lot of the NFL teams very equal over time.
They all have their ups and downs, but the Titans have been on an upswing since their move when compared to their record in Houston.
They should be able to make the play offs again this year and may even win their division.