Airlines cancel over 1,500 flights ahead of major winter storm impacting post-Christmas travel Record 122.4 million Americans expected to travel over year-end holidays Winter storm Devin causes thousands of flight delays and cancellations in US Snow and icy conditions threaten travel in Great Lakes, Northeast, and Mid-Atlantic TSA prepares for potentially record-breaking holiday season with 44.3 million travelers Key 2025 travel advisories: Updates for Mexico, Bahamas, Turks and Caicos FAA airspace restrictions add to holiday flight chaos amid winter weather