A Delta Air Lines pilot was sentenced on Tuesday to 10 months in jail after pleading guilty this month to showing up for work with a half-empty bottle of Jägermeister in his luggage and a blood alcohol level more than two times the aviation limit, the authorities said.The pilot, Lawrence B. Russell Jr., 63, of Fulton County, Ga., was scheduled to fly a Boeing 767 from Edinburgh International Airport to Kennedy International Airport in New York City on the morning of June 16, according to a statement from the Judiciary of Scotland.Mr. Russell arrived at baggage control 80 minutes before…