“You really need to leave a 24-hour cushion for anything important, and make it 48 for a once-in-a-lifetime event like a big wedding or cruise departure or Super Bowl kickoff. In the United States alone, 88,419 flights were canceled in the first three quarters of 2023.”
Help! It’s Almost 2024 and Travelers Keep Making the Same Mistakes. https://www.nytimes.com/2023/12/21/travel/travel-mistakes-tips.html