It’s that time of year again. Yes, it’ll feel great to be home, chilling out, stuffing yourself, falling asleep on the sofa. But boy, it’s going to suck getting there. That’s because 24 million people will travel on US airlines over the Thanksgiving period (up 6 percent from last year), according to the TSA. This week, even a short flight will feel like an epic journey, with many perils and demons to vanquish.