Missing a flight is everyone's worst nightmare. You’re stuck in traffic on International Parkway, watching the minutes tick by, wishing you’d left the house just 20 minutes earlier. With DFW Airport being larger than the island of Manhattan, timing is everything. Whether you're heading to Cancun or just hopping over to Austin, knowing when to show up can save you a world of stress. The standard advice is simple, but real life is messy. Here is the realistic breakdown for your next trip. The Golden Rules for Arrival Times If you want zero stress, stick to the classics. Domestic Flights : Plan to walk through the terminal doors 2 hours before your boarding time (not departure time!). If you aren't checking a bag, you might get away with 90 minutes, but DFW is huge. Walking to your gate can take 15 minutes alone. International Flights : Give yourself a solid 3 hours. Terminal D is beautiful, but the security lines there can get backed up fast because of the extra d...