US appeals court will rehear (en banc) whether the U.S. Department of Transportation can require airlines and ticket agents to show baggage and other ancillary fees upfront at booking, creating new regulatory uncertainty for airline pricing and distribution (5th Circuit, Oct 2, 2025). Airlines including $AAL, $DAL, $UAL, $ALK, $JBLU and trade groups are challenging the rule.

Episode takeaway: If the rule is ultimately upheld, fee-heavy carriers could face margin and conversion headwinds while platforms that win on transparency and comparison shopping could gain share. If it’s curtailed, airlines keep more control of upselling and pricing presentation.

WINNERS

Group: Online travel agencies and metasearch

Reason: Clear, standardized display of baggage and seat fees at checkout reduces surprise add-ons,  ...