United Airlines ground stop throws flights at Chicago O'Hare into chaos

Flight delays, cancellations continue to frustrate holiday travelers in Chicago

Non-weather flight delays up in recent years at both O'Hare, Midway

Winter weather causes hundreds of flight cancellations at Chicago airports

United Airlines playing catch-up at O’Hare on Thursday after nationwide tech issue grounds flights

Hundreds of flights canceled at Chicago airports from winter snow storm

Your Essential Guide to Handling OHare Delays

O'Hare airport flights delayed or cancelled on September 26, 2014

Long lines build at O'Hare Airport after FAA reports system failure

Travelers voice frustrations over latest technological failure leading to flight delays at O'Hare

Flights canceled at O’Hare, Midway again Tuesday

Chicago Area Snowstorm Leads To Canceled Flights At O'Hare, Midway

O'Hare, Midway flight cancellations keep piling up

Travelers Dealing With Flight Delays And Cancellations

Hundreds of flights canceled at O'Hare, Midway

Do not Travel | Long Flight Delays at Chicago O’Hare Airport | 4K | Applaud Events

AT&T And Verizon Delay Rollout Of New 5G Service Near O'Hare, Midway, Other Airports After Airlines

Flight cancellations over Christmas weekend cascade into Monday | ABC7 Chicago

Thousands of flights canceled or delayed amid extreme weather

Why Does Chicago O'Hare Airport Have 8 Runways