Dive attack. If the swan aarakocra is flying and dives at least 30 feet straight toward a target and then hits it with a melee weapon, the attack deals an extra 3 (1d6) damage to the target. 

Flyby. The swan aarakocra doesn't provoke opportunity attacks when it flies out of an enemy's reach.

 Bad Temper. The swan aarakocra has advantage on saving throws against being frightened and on its Charisma (Intimidation) checks.

Bird Royalty. The swan aarakocra can command and speak to birds. The aarakocra also has advantage on any charisma rolls. 

Cantrips.  guidance, sacred flame, spare the dying, Thaumaturgy 

First level spells (four spell slots). bless, command, cure wounds, Detect Magic

Second level spells (third level spells). Bless, Calm Emotions, Command, Cure Wounds, Zone of Truth

Third level spells (three spell slots). Bestow Curse, Bless, Command, Cure Wounds, remove curse

Sword. Melee Weapon Attack: +4 to hit, reach 5 ft., one  target. Hit: 9 (2d8 + 2) [slashing] damage. 

Javelin. Melee or Ranged Weapon Attack: +4 to hit, range 30/120 ft., one target. Hit: 6 (2d6 + 2) [piercing] damage.

Heavenly blast. (Recharge 3-4) Ranged Weapon Attack: +4 to hit, range 120 ft, one target. Hit: 16 (4d6 + 2) [radiant] damage. The target takes 1d6 fire damage per round as well until they either are healed with magic or take cold damage. 

Cast spell. The Swan Aarakocra cleric either casts two cantrips or one spell.