{𝓓𝓮𝓵𝓽𝓪 𝓐𝓲𝓻𝓵𝓲𝓷𝓮𝓼 Guide}what is the cheapest day to book a flight on delta airlines?

{𝓓𝓮𝓵𝓽𝓪 𝓐𝓲𝓻𝓵𝓲𝓷𝓮𝓼 Guide}what is the cheapest day to book a flight on delta airlines? {𝓓𝓮𝓵𝓽𝓪 𝓐𝓲𝓻𝓵𝓲𝓷𝓮𝓼 Guide}what is the cheapest day to book a flight on delta airlines? {𝓓𝓮𝓵𝓽𝓪 𝓐𝓲𝓻𝓵𝓲𝓷𝓮𝓼 Guide}what is the cheapest day to book a flight on delta airlines? {𝓓𝓮𝓵𝓽𝓪 𝓐𝓲𝓻𝓵𝓲𝓷𝓮𝓼 Guide}what is the cheapest day to book a flight on delta airlines?   Website URL: https://support.google.com/phoneapp/thread/333562065?authuser=2&hl=en&sjid=3603535143571621756-NC