Has your itinerary recently changed? If you bought your journey with Southwest Airlines, which allows its customers to modify their flight tickets, you can do it relatively quickly. You can submit requests for flight changes using Southwest flight change policy, and if you are unsure about the flight change policy, you can do so by following the steps provided.
Southwest change-flight policy
Permits free changes to reservations up to 24 hours after the original booking. You may also change a flight up to 24 hours after booking it, depending on the kind of your ticket, however a change fee will apply. You can also request a flight change without paying a fee if a flight is delayed for longer than three hours.
