The union for 10,000 striking Air Canada flight attendants said on Monday they won’t return to work even though the strike, now in its third day, has been declared illegal.

With flights grounded and travel plans thrown into disarray for thousands of Canadians, many have written to CBC News asking about the dispute — including clarification on recent interactions between the federal government,

The dispute exposes several fault lines in Canada around work, how we value it and how the law impacts workers.

Here in the Bay Area, the Air Canada work stoppage left many summer travelers scrambling to re-book on other airlines after their flights were canceled.

Air Canada flight attendants waved flags and held signs reading “would you work for free?” as they picketed outside Toronto’s Pearson International Airport on Monday.