Global flight baggage guide
Which baggage rule applies on a codeshare flight?
The marketing airline, operating airline and ticketed itinerary can each matter. Do not assume the logo on the booking page controls every segment.
Scope
Interline and codeshare baggage determination varies by itinerary and jurisdiction.
Before-you-fly checklist
- 1Find the “operated by” carrier for each flight.
- 2Check the ticket’s baggage allowance.
- 3Ask the ticketing carrier before travel if the information conflicts.
Reviewed: 2026-09-09
Official sources
Rules vary by airline and route
Always verify important restrictions with your airline and the official security authority before departure.