https://intercom.help/techsolution/en/articles/10956099-tuesday-fares-what-days-do–flights-go-down

https://intercom.help/techsolution/en/articles/10956099-tuesday-fares-what-days-do-%F0%9D%99%B3%F0%9D%9A%8E%F0%9D%9A%95%F0%9D%9A%9D%F0%9D%9A%8A-flights-go-down