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 19/19 0.5% 100% 1.9%
Four of a Kind 44/45 1.1% 97.8% 4.4%
Full House 584/899 22.5% 65% 58.4%
Flush 226/716 17.9% 31.6% 22.6%
Straight 107/727 18.2% 14.7% 10.7%
Three of a Kind 6/79 2% 7.6% 0.6%
Two Pair 14/1400 35% 1% 1.4%
One Pair 0/112 2.8% 0% 0%
High Card 0/3 0.1% 0% 0%