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Southwest Airlines online check-in: when it opens and closes

Southwest Airlines online check-in opens 24 hours before departure and closes 30 minutes before departure. The times change with the route, airport or fare, as the table below shows.

Online check-in opens
24 hours before departure
Online check-in closes
30 minutes before departure
Where to check in
Southwest Airlines website or mobile app
Last verified

Open Southwest Airlines online check-in (southwest.com)

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When does Southwest Airlines online check-in open?

Southwest Airlines online check-in opens 24 hours before the scheduled departure time.

When does Southwest Airlines online check-in close?

Southwest Airlines online check-in closes 30 minutes before the scheduled departure time.

Southwest Airlines check-in times by route and fare

Applies to Opens Closes Note
Domestic 24 hours before 30 minutes before Online check-in opens 24 hours prior; boarding pass retrieval deadline is 30 minutes before departure
International 24 hours before 60 minutes before Check-in deadline is 60 minutes before departure (75 minutes for departures from Aruba)

Earlier check-in with Southwest Airlines

EarlyBird Check-In automatically checks in passengers starting 36 hours before departure.

What Southwest Airlines says

These times come from pages published by Southwest Airlines, last checked on November 5, 2026. Airlines change their rules, so confirm on the airline's page before you travel.

  • beginning 24 hours before your flight's original scheduled departure time

    Source: support.southwest.com

  • deadline for checkin is 30 minutes before your flight's original scheduled departure time

    Source: support.southwest.com

See the check-in time for your own flight

Forward your Southwest Airlines booking confirmation to Tineo and the flight shows when check-in opens and closes for that departure, with a button to the airline's check-in page. How Smart Check-In works.

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Online check-in times for every airline we have verified