I flew long-haul on United's aging Boeing 777 in basic economy. A few key updates made it feel much more modern.

I flew on United Airlines in basic economy on one of its oldest planes and was impressed by the seat and food. Taylor Rains/Business Insider I flew on a decades-old United Airlines jet from New Jersey to London in July. With modern cabins and Bluetooth, the dated Boeing 777-200 didn't look its age. I was particularly impressed by the food, which had been lackluster on my previous United flights. I've flown United Airlines across the Atlantic at least a dozen times for my job, and it's always…