I believe Daines said a friend of his was lending him a plane to make both events.
NEW- Daines:“My good friend and colleague, Greg Gianforte, has come to save the day. If I need to be in two places at once to walk my daughter down the aisle on her wedding day and to be the final vote to put Judge Kavanaugh on the Supreme Court, he’s offered me use of his plane”
Not according to Lisa.