Southwest is the latest airline to adopt new baggage policies, joining a growing list of carriers, including American, Delta, United, JetBlue, Alaska, Spirit, Emirates, Qatar, Saudia, Air India, and IndiGo, in simplifying the travel process for passengers.

Here is a summary of the content in 400 words: Many major airlines, including Southwest, American, Delta, United, JetBlue, Alaska, Spirit, Emirates, Qatar, Saudia, Air India, and IndiGo, are adopting new baggage policies. These changes aim to simplify and standardize...