When Air Canada pilots went on strike in September 1998 for 13 days, all of the carrier's more than 600 daily flights were grounded, stranding passengers and costing the airline C$133m ($96m; £71m) before a negotiated deal was reached.

Air Canada grounded most of its flights in response to a strike by its flight attendants. Here's what it means for airline passengers in the U.S.

Here's what U.S. passengers affected by the Air Canada strike need to know, and why their options and recourse are limited.