CarryOnMax
Indexed 148+ airlines — updated weekly

Never pay a
baggage fee again

Check any bag against 148+ airlines worldwide — instantly. Find out exactly which airlines your bag fits before you fly.

Enter your bag dimensions

100% free to useData updated every Sunday148+ airlines indexedBritish English throughout

Why CarryOnMax?

More airlines, smarter tools, and region-specific recommendations that no other checker comes close to.

700+ Airlines Worldwide

Far more comprehensive than any competitor. Every major airline across Europe, the Middle East, Asia, the Americas, and Africa.

Self-Updating Every Week

Our automated system checks airline policies every Sunday at 02:00 UTC and updates the database automatically — no stale data.

Most Compliant Bags

Our flagship leaderboard ranks real bags by how many airlines they fit. Region-specific tabs for Europe, USA, Middle East, and more.

Affiliate Bag Recommendations

Every compliant bag links directly to Amazon and brand stores. Find the perfect bag and buy it in one click.

Trusted & Transparent

Source links for every airline policy. Last-checked dates on every entry. No hidden fees, no sign-up required.

Smart Unit Detection

Automatically detects your country via IP. US travellers see inches and pounds; everyone else sees centimetres and kilograms.

Flagship Feature

Most Compliant Bags

Discover which bags work with the most airlines worldwide. Our leaderboard ranks real bags by compliance percentage, with region-specific tabs for Europe, USA, Middle East, Budget Airlines, and Long-Haul carriers.

Browse the Airline Directory

Search all 148+ airlines, view their full carry-on rules, and find bags that fit any specific airline.