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 17/17 0.4% 100% 1.7%
Four of a Kind 44/47 1.2% 93.6% 4.4%
Full House 589/924 23.1% 63.7% 58.9%
Flush 230/760 19% 30.3% 23%
Straight 93/692 17.3% 13.4% 9.3%
Three of a Kind 6/85 2.1% 7.1% 0.6%
Two Pair 21/1352 33.8% 1.6% 2.1%
One Pair 0/118 3% 0% 0%
High Card 0/5 0.1% 0% 0%