Https://community.cartalk.com/t/delta-2025-savings-when-are-the-cheapest-days-to-book-flights/202498 https://community.cartalk.com/t/delta-2025-savings-when-are-the-cheapest-days-to-book-flights/202498 https://community.cartalk.com/t/delta-2025-savings-when-are-the-cheapest-days-to-book-flights/202498 https://community.cartalk.com/t/delta-2025-savings-when-are-the-cheapest-days-to-... https://community.cartalk.com/t/delta-2025-savings-when-are-the-cheapest-days-to-book-flights/202498