By Selena Shang, Product Manager You might remember the scene from “Home Alone” where the McCallisters, late for their flight due to a power outage, are barrelling through an airport while “Run Run Rudolph” blares in the background. We’ve all been there once or twice, and during the holiday travel season every delay, gate change, missed connection, and canceled flight can make all the difference in getting home stress-free. Thankfully, Yahoo Mail just made it a little easier to man...