Thanks for responses so far. Guess it just doesn’t make sense why it’s coded as I-D at all.
and I have no issue standing by onto the earlier flight, but would much prefer to have confirmed seats. Unless something changed very recently, an award ticket in F has waived same day standby fees.
Last time we did this connection it took an enormous... 12 minutes... from deplaning through TSA in terminal 8. We would definitely have enough time to make the 1739 JFK-DCA. Oh well.