US carriers cancel more than 18,500 services due to snowstorm

US carriers cancelled more than 2000 services on 4-Feb-2011 due to the ongoing snowstorm, taking the total cancelled services for the week past 18,500 (AP/Reuters/The Business Journal, 3-Feb-2011). Chicago O'Hare International Airport has reportedly been the worst affected with United Airlines, Delta Air Lines and American Airlines all suspending operations at the airport. General Mitchell International Airport was forced to close on 2-Feb-2011 but has reopened 3-Feb-2011.