Originally Posted by
flyerCO
I've had NYC for DCA. I was once told that DL considers anything in same state or up to 500 miles far game in IRROPS.
The official policy is 100 miles.
https://pro.delta.com/content/agency/gb/en/policy-library/schedule-change-and-irregular-operations/irregular-operations-rebooking-policy-for-travel-agency-partners.html
I believe that agents have some latitude, but the auto rebooking tool will not let you do NYC for DCA. (My partner actually asked for this change a few weeks ago and the farthest the agent would give him instead of DCA was ABE.) The OP certainly could have called and asked though!