Delta still the best at on-time arrivals in June

Delta Air Lines Inc. (NYSE: DAL) remained No. 1 at on-time flying in June, although the percentage of on-time flights was down. Atlanta-based Delta fell to 78.8 percent of flights arriving on time, down from 84.7 percent in May, according to on-time arrival performance data for June released y FlightView. Southwest Airlines (NYSE: LUV) fell from second place among major domestic carriers last month to third place in on-time arrival performance in June behind American Airlines (NASDAQ: AAL), although…