A henway simulation with 4 players and 1000 trials

Game Players
1 2 3 4

Rank # of Wins /
# of Occurances
Chance of
Occurance
Chance of
Winning
Chance of
being the
winning hand
Straight Flush 10/10 0.3% 100% 1%
Four of a Kind 62/62 1.6% 100% 6.2%
Full House 574/906 22.7% 63.4% 57.4%
Flush 217/733 18.3% 29.6% 21.7%
Straight 112/756 18.9% 14.8% 11.2%
Three of a Kind 5/71 1.8% 7% 0.5%
Two Pair 20/1341 33.5% 1.5% 2%
One Pair 0/120 3% 0% 0%
High Card 0/1 0% 0% 0%