Southwest Airlines offers passengers a unique check-in system that directly impacts the boarding process due to their open seating policy. The airline's online check-in service becomes available exactly 24 hours before scheduled departure and can be accessed through Southwest's official website or their highly-rated mobile app. This precise timing is crucial as it determines a passenger's boarding position (A, B, or C group), with earlier check-ins receiving better boarding positions and consequently better seat selection options. During online check-in, travelers can confirm their flight details, purchase EarlyBird Check-In if available (which automatically checks the passenger in before the 24-hour window), and download their boarding passes in digital or printable format.
At the airport, Southwest provides full-service check-in counters and self-service kiosks at all locations they serve. The check-in counters typically open at least two hours before scheduled departure, while the kiosks are available 24 hours a day for flight-specific check-in during the operational window. These kiosks allow passengers to check in, print boarding passes, and obtain baggage tags without waiting in line at the full-service counters.
Southwest enforces specific baggage check deadlines to ensure smooth operations. For all flights, checked baggage must be received at least 45 minutes before scheduled departure. The airline offers priority check-in lanes for Business Select fare passengers and Rapid Rewards A-List members, which can help reduce wait times during peak travel periods. Southwest also provides special assistance check-in areas for passengers requiring additional support, including families traveling with young children and passengers with disabilities needing extra time or assistance during the check-in process.