Aarakocra have a base speed of 25' walking or 50' flying (Elemental Evil pp5).
As a Monk wearing no Armor you gain Unarmored Movement and an additional 10' of movement (PHB pp78). This brings your base speed up to 35' walking or 60' flying.
If you don't attack, you can take the Dash action for a total of either 70' walking or 120' flying.
If you use your bonus action for Cunning Action and Dash again, you may move a total of 105' walking or 180' flying.
Your Ki point options are all bonus actions, which are no longer available after you've used your bonus action as a Cunning Action. Therefore, you would NOT be able to attack if you moved, Dashed and Bonus Action-Cunning Action Dashed again.
Your choices are:
Move(35/60), attack, bonus action Ki point usage
Move(35/60), cunning action dash(35/60), attack
Move(35/60), dash(35/60), cunning action dash(35/60)