Found delta pikachu

yaayyy i found delta pikachu

now i am looking for delta diftloon and delta wailmer

could you give me a general location of where it could be found. i found delta driftloon but i can’t find delta pikachu

i will say over maelstrom 9, but i could be wrong cause I found it in a different spot yesterday

and plus i am stuck in soaring so i going delta hunting