To secure early boarding on Southwest Airlines in 2026, the most effective method is to purchase Business Select or Anytime fares, which automatically grant you an "A1–A15" boarding position or a guaranteed A-list position. If you have already booked a lower-tier "Wanna Get Away" fare, you can pay for "Upgraded Boarding" starting 24 hours before departure through the Southwest app (if spots are available). Alternatively, you can add "EarlyBird Check-In" to your reservation, which automatically checks you in 36 hours before the flight, typically resulting in a high "A" or early "B" group position. Frequent travelers can also qualify for A-List or A-List Preferred status by flying 20 or 40 one-way segments per year, which gives you a "reserved" boarding spot just after the A15 group. For families, Southwest provides a "Family Boarding" window between the A and B groups for those traveling with children aged 6 and under, ensuring they can find seats together without needing to pay for a premium boarding position.