I ran into a bit of a mess last year when I accidentally booked a ticket using my nickname instead of the full name on my passport. I was panicked thinking I’d lose the seat! I quickly learned that while you can’t just hand your ticket to someone else, Delta is actually pretty helpful with minor name corrections.
The best way to fix this is to use the "Message Us" feature in the Delta app. I chatted with a representative, explained the typo, and they updated it for free since it was just a few letters. Just be ready to upload a photo of your ID if they need to verify the change!