NFL Postseason Appearances, 1920-2020

On this list, ties are broken by more NFL Championships (not just most Super Bowls), then more NFL Championship Game (including Super Bowl), appearances, then more Conference Championship Game appearances, then more Division Championships, then by fewer seasons of play. This also includes NFL Championships won in the pre-Playoff era, 1920-31:

1. Green Bay Packers 36, including this season
2. New York Giants 33
3. Dallas Cowboys 33
4. Pittsburgh Steelers 31
5. Minnesota Vikings 30, including this season
Rams combined 29
6. Chicago Bears 28
Colts combined 28
7. Cleveland Browns 28
8. New England Patriots 27, including this season
9. San Francisco 49ers 27, including this season
10. Philadelphia Eagles 27, including this season
11. Washington Redskins 24
12. Miami Dolphins 23
13. Los Angeles Rams 23, including this season
Oilers/Titans combined 23
14. Denver Broncos 22
Raiders combined 22
15. Kansas City Chiefs 22, including this season
16. Buffalo Bills 19, including this season
Chargers combined 19
17. Detroit Lions 18
18. Indianapolis Colts 18
19. Seattle Seahawks 18, including this season
20. Oakland Raiders 15
21. New York Jets 14
22. Atlanta Falcons 14, including this season
23. Cincinnati Bengals 14
24. New Orleans Saints 13, including this season
25. Baltimore Ravens 12, including this season
26. Tampa Bay Buccaneers 10
Cardinals combined 10
27 Tennessee Titans 8, including this season
28. Carolina Panthers 8
29. Jacksonville Jaguars 7
30. Houston Texans 6, including this season
31. Arizona Cardinals 5
32. Los Angeles Chargers 2