EarlyBird Check-In is a service offered by Southwest Airlines that allows passengers to secure an automatic check-in before the standard 24-hour check-in period. This service provides travelers with an earlier boarding position, which can be highly beneficial on Southwest Airlines flights, as the airline follows an open seating policy, meaning passengers choose their seats upon boardi... https://airlinescityoffice.com/blog/southwest-early-bird-check-in/