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…