Samuel arose, and got him up from Gilgal to Gibeah of Benjamin. Saul numbered the people who were present with him, about six hundred men.
So Jonathan was out wiping out the Philistines and Saul was around blowing the trumpet, and taking the glory and announcing that he had smitten the Philistines so that the Israelites heard that Saul had smitten the Philistines with a great slaughter.