Which has the bigger carry-on allowance, Azul or United?

Azul: 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in), up to 10 kg (22 lb). United: 22 × 14 × 9 in (56 × 36 × 23 cm). Azul allows the larger bag.

Do Azul and United include a carry-on on basic economy?

Azul: Every fare includes one 10 kg carry-on, measured with wheels and handles. United: Basic Economy includes only a personal item on most U.S. and short-haul flights. A full-size carry-on is allowed on transatlantic, transpacific and South America routes, and for MileagePlus Premier members and eligible United cardmembers.

Are Azul and United partners?

They aren't in the same alliance (Azul: none; United: Star Alliance), so miles and status generally don't transfer between them.

AD vs UA · 2026 comparison

Azul vs United

Azul wins on a bigger carry-on and a carry-on on its cheapest fare; United wins on a more generous carry-on weight limit. Here's how they compare on bags, fees, comfort, reliability and loyalty.

Verified Oct 17, 2026By Steven MoHow we check Report a correction

Azul

Wins 2 categories

A bigger carry-on
A carry-on on its cheapest fare

United

Wins 1 category

A more generous carry-on weight limit

Quick verdict

Azul wins on a bigger carry-on and a carry-on on its cheapest fare; United wins on a more generous carry-on weight limit. Check the cheapest fare's bag rules before you compare prices.

Carry-on size: Azul: 55 × 35 × 25 cm · United: 22 × 14 × 9 in
Carry-on on the cheapest fare: Azul: Included on every fare · United: Not on some basic fares

Side by side

	Azul	United
Bags
Carry-on size	55 × 35 × 25 cm	22 × 14 × 9 in
Carry-on on the cheapest fare	Included on every fare	Not on some basic fares
Carry-on weight limit	10 kg (22 lb)	None published
Personal item	Must fit under the seat	17 × 10 × 9 in
Network
Alliance	None	Star Alliance
Loyalty program	Azul Fidelidade	MileagePlus
Main hubs	VCP, CNF, REC	ORD, DEN, IAH, EWR, SFO

Highlighted values are better for travelers. Fees are for U.S. domestic economy flights; on-time data is 2025 U.S. DOT figures for each airline's own flights.

Bags and fees

Azul allows a carry-on up to 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in), and United up to 22 × 14 × 9 in (56 × 36 × 23 cm), so Azul's is roomier.

Azul includes it on every fare, while United's Basic Economy can be personal-item only.

Azul caps carry-ons at 10 kg (22 lb); United publishes no limit.

Personal items: anything that fits under the seat on Azul, and 17 × 10 × 9 in (43 × 25 × 23 cm) on United.

Loyalty and where they fly

Azul is not in an alliance and United is in Star Alliance.

Loyalty programs: Azul Fidelidade (Azul) and MileagePlus (United).

Azul's main hubs are VCP, CNF, REC. United's are Chicago (ORD), Denver (DEN), Houston (IAH), Newark (EWR), San Francisco (SFO). The best choice often comes down to which airline flies nonstop from your airport.

Which should you book?

Choose Azul if you want…

a bigger carry-on
a carry-on on its cheapest fare
nonstops from VCP, CNF, REC

Choose United if you want…

a more generous carry-on weight limit
to earn and use Star Alliance miles and status
nonstops from ORD, DEN, IAH

On a route both fly, the cheaper ticket isn't always the cheaper trip: add the bags you'll actually bring, and check the fare rules before you book.

Azul vs United FAQ

It depends on what matters most to you. Azul wins on a bigger carry-on and a carry-on on its cheapest fare; United wins on a more generous carry-on weight limit. If they fly the same route, compare the total price with bags included.

Keep comparing

Sources

Last verified Oct 17, 2026. Airlines change their rules without notice, so confirm with the airline before you fly.

Read how we collect and check this data, or tell us if something's out of date.

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