[DL~FLY DAY]𝒘hat is the cheapest day to book a flight on delta airlines?

[DL~FLY DAY]𝒘hat is the cheapest day to book a flight on delta airlines? [DL~FLY DAY]𝒘hat is the cheapest day to book a flight on delta airlines? [DL~FLY DAY]𝒘hat is the cheapest day to book a flight on delta airlines? [DL~FLY DAY]𝒘hat is the cheapest day to book a flight on delta airlines?   Website URL: https://support.google.com/phoneapp/thread/333539442?authuser=2&hl=en&sjid=3603535143571621756-NC