What on the world is OVHD STREAM? Due to WEATHER, LOW CEILINGS and OVHD STREAM, there is a Traffic Management Program in effect for traffic arriving Chicago OHare International Airport, Chicago, IL (ORD). This is causing some arriving flights to be delayed an average of 41 minutes with some arriving flights receiving as much as 1 hour and 19 minutes delay. To see if you may be affected, select your departure airport and check "Delays by Destination". BAHA Not a fan of being stuck in O'Hell