AK misses the flop early in a $30 multi on Party

[dwd]

I ended up reraising flop and he called, then he checked turn, I pushed. He turns over flush draw. Is this going too far with AK early in a tourney, or at any time, as other posts on the subject have suggested?

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) FTR converter on zerodivide.cx

UTG+2 (t765)
MP1 (t940)
Hero (t1085)
MP3 (t945)
CO (t915)
Button (t805)
SB (t1055)
BB (t1585)
UTG (t920)
UTG+1 (t985)

Preflop: Hero is MP2 with A[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, MP1 calls t15, <font color="#CC3333">Hero raises to t60</font>, <font color="#666666">5 folds</font>, MP1 calls t45.

Flop: (t142.50) J[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, <font color="#CC3333">Hero bets t65</font>, <font color="#CC3333">MP1 raises to t130</font>, <font color="#CC3333">Hero raises to t300</font>, MP1 calls t170.

Turn: (t742.50) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero calls [t725] , MP1 calls [t580] .

River: (t742.50) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t742.50