Delta Air Lines and Korean Air are investing a combined $550 million in Canada's WestJet despite shaky Canada-US travels under Trump's tariffs.

Delta Air Lines and Korean Air have both acquired minority shares in Canadian carrier WestJet, with Air France-KLM also set to benefit from the investment.

Delta Air Lines and Korean Air will strengthen their respective partnerships with WestJet through the purchase of minority equity stakes in the Canadian airline from Onex Partners, the upper middle market private equity platform of Onex,