What is the cheapest day to buy Delta tickets devex.com

https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027
https://www.devex.com/people/what-is-the-cheapest-day-to-buy-delta-tickets-2076027