
London and Lima are 6,313 miles apart. Reader Diane Pugh is planning a trip to Peru. She seeks advice on reaching this nation of natural and manmade wonders comfortably, asking: “Is it advisable to upgrade to premium economy?”
Until British Airways abandoned the nonstop leap from London Gatwick to Lima, it would have been a simple calculation: on a 13-hour trip, how much extra would you pay for a few more inches of legroom and a wider seat?