United States · WN / SWA
Guía de Check-in Online de Southwest Airlines
America's largest domestic carrier and original low-cost airline. Online check-in opens exactly 24 hours before departure on southwest.com — timing matters because boarding position is assigned by check-in time.
Se abre en southwest.com en una nueva pestaña.
¿Cuándo abre y cierra el check-in de Southwest Airlines?
Cómo hacer check-in online con Southwest Airlines
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Ten lista tu reserva e identificación
Necesitarás un código de reserva de 6 caracteres (PNR) y un documento de viaje válido (pasaporte o DNI nacional UE/EEE).
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Abre la página oficial de check-in
Usa el botón en la parte superior de esta página o visita southwest.com directamente. Evita sitios de "check-in" de terceros.
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Ingresa los datos del pasajero
Añade el número de pasaporte / DNI, fecha de vencimiento y país de emisión si viajas internacionalmente. Este paso es obligatorio.
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Elige asientos y añade extras
Los asientos aleatorios son gratuitos en la ventana de 24 horas; los asientos asignados y el embarque prioritario tienen costo extra.
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Guarda la tarjeta de embarque
Añade a Apple Wallet o Google Wallet. La app de Southwest Airlines la guarda offline una vez descargada.
Equipaje de Southwest Airlines de un vistazo
| Tipo | Dimensiones | Peso | ¿Incluido? |
|---|---|---|---|
| Artículo personal | 46×26×22 cm | 18 kg | Sí |
| Equipaje de mano | 61×41×25 cm | 18 kg | Sí |
| Facturado | — | 23 kg | Sí |
Problemas comunes de check-in con Southwest Airlines
Check-in timing determines boarding position
Problema: Southwest doesn't assign seats — passengers board in groups (A, B, C) based on check-in time. Late check-in = back of plane.
Solución: Check in EXACTLY 24 hours before departure (set a calendar reminder). Or pay for EarlyBird Check-In ($15–$25) for automatic 36-hour pre-check-in.
No advance seat selection
Problema: Travelers from non-US airlines often expect to choose seats; Southwest's open seating shocks first-timers.
Solución: Board early (group A) for first pick. Families with children under 6 board between A and B (Family Boarding).
Two free checked bags — keep them
Problema: Southwest is the last major US airline with 2 free checked bags. Passengers leaving Southwest for budget carriers often don't realize the difference.
Solución: Stick with Southwest for trips with bags. The bag fees on Spirit/Frontier/American Basic Economy often exceed the fare difference.
Preguntas frecuentes sobre check-in de Southwest Airlines
When does Southwest check-in open?
Exactly 24 hours before scheduled departure. Set a calendar reminder — check-in time determines your boarding position (A, B, or C group).
Why doesn't Southwest assign seats?
Southwest pioneered open seating — passengers board in groups based on check-in order, then pick any open seat. Faster boarding/deplaning, but stresses out non-US passengers expecting assigned seats.
Are 2 checked bags really free?
Yes — Southwest is unique among major US airlines for this. 2 × 23 kg checked bags are included in every fare, even the cheapest 'Wanna Get Away' base fare.