So how do you get into MIA in time to catch this flight?

I let AA try and set this up from DCA-MIA-EIS

7 hrs total travel time down and 8hrs coming back.
$1530 and your there.

DCA 8:25 AM - EIS 3:23 PM 6h 58m
1 stopOpens 1 stop details for DCA to EIS, departing at 8:25 AM
DCA - MIA AA 458 7M8-Boeing 737MAX 8 Passenger

EIS 2:16 PM - DCA 10:19 PM 8h 3m
1 stopOpens 1 stop details for EIS to DCA, departing at 2:16 PM
EIS - MIA AA 3989 E75-Embraer 175
MIA - DCA AA 2648 738-Boeing 737

Think I'll be going back to STT and the ferry next time.