All United Airlines flights in U.S. grounded by 'network connectivity' issues

United Airlines passengers were facing major travel delays on Wednesday after the carrier suspended all U.S. flights due to computer problems. In an emailed statement, United said it had a "network connectivity issue" and is working to resolve the situation. The airline didn't elaborate on the exact nature of the connectivity issue nor did it provide a timeline for when the problem would be fixed. Separately, the Federal Aviation Administration said United flights were grounded because of "autom...