have a plane to catch “赶飞机”，have a train to catch “赶火车”。

【例句】
Don't dawdle - we have a plane to catch.
别磨蹭了，我们要赶飞机。

We got a flight to catch, so let me help you out here.
我们还要赶飞机，所以我就来帮帮你吧。