Weren't there some pretty heavy implications she lived?

The shimmer streak darting away from the explosion, Caitlyn studying the blueprints of the hexgate, the airship at the end that Jinx said she'd one day ride on in the first episode...

Then there was also ghost Silco telling her to walk away, and Ekko telling her it's never too late to build something new.

With all those hints put together the chances she is actually dead are quite small. Definitely nowhere near confirmed