Carry-On Weight Limits by Airline (2026)

Good news if you're flying US domestic: Delta, United, American, and Southwest have no enforced carry-on weight limit. International carriers are much stricter.

Key Limits

• US airlines (Delta/United/AA/Southwest): No enforced weight limit
• Lufthansa: 8 kg (17.6 lbs) — strictly enforced
• Emirates: 7 kg (15.4 lbs)
• Ryanair: 6.5 kg (14.3 lbs) — strictest major carrier

Related: Delta carry-on size · International carry-on rules · Personal item size guide