The Gulf carriers are among the most generous in the world on checked weight, with Emirates, Qatar Airways and Etihad giving economy passengers 25 to 35 kg on most routes. Their low cost neighbors, flydubai, Air Arabia, flynas and flyadeal, sell every kilogram separately and cap the cabin bag at 7 kg.US travelers most often meet these airlines on a connection through Dubai, Doha or Abu Dhabi, where the allowance on the through ticket is decided by the most significant carrier rule. Every figure on these pages was read off the airline’s own site and dated.