 WDEL Newstime 213. Average prices at the pump in the Wilmington area down fractionally last week, according to the weekly survey of local stations by GasBuddy. The cost for a gallon of regular gas was at $3.46 on average, a penny lower than the week before, and basically the same price as it was this time last year. GasBuddy analysts say slight fluctuations in gas prices, both up and down, are possible in the near term.