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 20/20 0.5% 100% 2%
Four of a Kind 60/63 1.6% 95.2% 6%
Full House 565/893 22.3% 63.3% 56.5%
Flush 222/687 17.2% 32.3% 22.2%
Straight 113/743 18.6% 15.2% 11.3%
Three of a Kind 4/76 1.9% 5.3% 0.4%
Two Pair 16/1386 34.7% 1.2% 1.6%
One Pair 0/129 3.2% 0% 0%
High Card 0/3 0.1% 0% 0%