Well, I'll be in Fort Lauderdale on March 9 and 10, and I need to be in Dallas on March 13, so here it is, the great 28 hour, 500,000 mile bonus run:

3/11
MIA-MGA TACA 514 14:50-16:25 (Counts as NICA)
MGA-SAL TACA 514 17:00-17:49 (Counts as TACA using separate flight coupon)
SAL-GUA AVIATECA 960 18:49-19:39

3/12
GUA-SJO COPA 317 7:15-9:20
SJO-BOG LACSA 891 10:40-13:45
BOG-UIO AVIANCA 77 16:15-17:40

Totals:
Approx. $1366 Coach
$1968 Business
3/13
UIO-DFW on CO (Cheap business class & lots of status miles)