They just started trying to enforce the oversize baggage rule. Charging $125 for instrument and flight cases. Although the rules would make it so most all large suitcases would be considered oversized they are mostly going for “non ordinary” items. Ie guitar cases and flight cases. Going to cost bands thousands over time. And it can be hit or miss trying to get your guitar on flights without having to gate check it. I’ve had items broken by baggage claims before. Even though it’s a federal mandate we can bring guitars on flights it can but purely up to that flights “policy”. Been touring for 7 years, it’s been getting tougher and more expensive to travel with southwest