Her video has been viewed more than 588,000 times since it was posted.

In a follow-up Facebook post on Sunday, Gaudry added, "Hundreds of thousands of people now know that Dustin Wright died for our country and there were a lot of people on the plane that wanted to honor him. Hundreds of thousands of people are praying for this family now that weren't."

Gaudry’s post was praised by a number of commenters, but some disputed her claim.

One man named Noel Curry, who said he is a retiree, said Gaudry inviting others to sing made her actions questionable.

“What is questionable is going to each passenger and soliciting them to do something you’d like them to do,” he said. “Whatever that action is...it’s a gray area.”

“Absolutely NO ONE would have said anything to you if you had simply stood up and started singing on her own without a concerted effort,” he said.

Typically, a moment of silence is observed by passengers and others when fallen soldiers are returned to their families.

Gaudry said she was told by company officials that the company will have training in the future in response to the event, WTOC reported.

"There is not a policy about singing the national anthem, period," Delta spokesman Anthony Black told The Associated Press.

Delta’s full statement to WTOC, issued Monday, is as follows: