Ottawa released Bailey on Sunday from his professional tryout agreement.
Bailey agreed to a professional tryout with the Senators on Thursday.
Bailey was designated for waivers by the Blackhawks on Thursday in order to buy out his contract, Chris Johnston of TSN reports.
Bailey has been traded to the Blackhawks in exchange for future considerations, reports the New York Islanders Twitter feed.
Bailey (illness) is not expected to play Saturday against San Jose despite returning to the ice for the morning skate, Andrew Gross of Newsday reports.
Bailey missed practice Friday with a non-COVID illness.
Bailey (upper body) will return to the lineup Sunday against Winnipeg, Andrew Gross of Newsday reports.
Bailey (upper body) has accompanied the team on their road trip to Winnipeg and Minnesota, Andrew Gross of Newsday reports.
Bailey (upper body) isn't expected to play Friday against Los Angeles, Andrew Gross of Newsday reports.
Bailey (upper body) is back at practice Friday, Andrew Gross of Newsday reports.