Originally Posted by
yydv
I also don't know whether this would be even possible outside of times of COVID-19 with waived change fees. It is important to note that I modified my flight immediately within the 24h policy, but that due to COVID-19, any change fees would have been waived regardless.
Not covid related, DL has said many times that change fee removal is permanent (except for Basic economy)
https://thepointsguy.com/news/delta-...l-change-fees/