Index function but when cell is blank, then show latest item

Hello all,

I am working on a project that when a form is submitted, the index formula pulls the data from the highest row ID so it can be shown on a dashboard metric. However, if a form is submitted and parts of the form are left blank, I want the index to pull the latest data that is not blank. Column "Origin Station" is an example of an item in the form left blank. I would want the index to show the latest item that is not blank which in this case would be "LGA".

Attached is a screenshot for reference of current formula and sheet.

Can someone help in making a formula that would work? Thank you!

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