Southwest Airlines is doling out industrial-grade coats, gloves and face masks and canceling curbside check-in at Chicago's Midway International Airport.
Across town at O'Hare International Airport, American Airlines set up a mini command center Tuesday and on Wednesday will deliver hand warmers and extra gloves, hot chocolate, coffee and tea to baggage handlers and other outside workers from a mobile warming van.
United is adding temporary heated shelters and bringing ramp workers to Chicago from other cities to rotate into the schedule so employees spend less time outside.
