O'Hare to the Loop in 15 minutes? This company thinks it can finally bring fast rail to Chicago

People have tried and failed over the years to build a nonstop, quick rail connection from the Loop to O'Hare International Airport. Think of Elon Musk's proposed crosstown tunnel from the unfinished superstation in the basement of Block 37. But a new company says they can succeed where others have failed. They call it the O’Hare Flyer. They envision a 15-minute trip from the Old Post Office to O’Hare on battery-powered trains leaving every 15 minutes at an average of 80 mph — and with tickets…