Flight cancellations prompt fears of holiday travel chaos

The holiday rush is underway — with nearly 48 million Americans hitting the road or heading to airports for the Fourth of July weekend. Airlines and travelers are preparing for another hectic holiday weekend amid a national pilot shortage. Errol Barnett has the latest. CBS Evening News with Norah O'Donnell delivers the latest news and original reporting, and goes beyond the headlines with context and depth. Catch the CBS Evening News weeknights at 6:30 p.m. ET on the CBS Television Network and at 10 p.m. ET on the CBS News app.