What is Early Bird Check in Southwest? Early bird check-in on Southwest Airlines is a special service offered by the airline for passengers that allows them to check in for the flight 24 hours before the flight's departure. Moreover, with Southwest Early Bird Check-In, passengers can get a better boarding position, an overhead bin space to keep their luggage, and a chance of getting the preferred seats that make the travel experience more convenient and stress-free. Read more: https://tinyurl.com/southwest-earlybird-check-in #southwestearlybirdcheckin #southwestairlinesearlybirdcheckin