Does the Away Carry-On fit United Airlines' carry-on?

No. Too wide by 1 cm. It's 36.6 cm side to side and United Airlines allows 35.6 cm. It's too big for United Airlines' personal item (11.9 cm too long). On United Airlines' cheapest fare the carry-on costs extra.

Won't fit

Drag to turn it around, scroll or pinch to zoom

Loading the 3D view…

Side the bag fails onPart that sticks outSizer frame

Won't fit

Too wide by 1 cm. It's 36.6 cm side to side and United Airlines allows 35.6 cm.

BagAway Carry-On

Cabin bagUnited Airlines

Length: 55.1of 55.9 cm0.8 cm spare
Width: 36.6of 35.6 cm1 cm over
Depth: 22.9of 22.9 cmExact fit

WeightNo published limit on United Airlines

Packed weightkg

Gate staff can still refuse a bag you can't lift into the bin yourself.

What you can do

Take a bag 35.6 cm wide or less. 3 bags we list fit.
Or check it in when you book. It's usually cheaper than paying at the gate.
Fits 2 other airlines, including Frontier Airlines and Southwest Airlines. See all

See bags that fit United Airlines

United Airlines rules checked 2 Nov 2026. Source. Sizes include wheels and handles.

Side by side

Away Carry-On against United Airlines' limits. Bags can be turned, so the longest side is compared with the longest limit.

Carry-on: 55.9 × 35.6 × 22.9 cm
Side	Bag	Limit	Result
Length	55.1 cm	55.9 cm	0.8 cm spare
Width	36.6 cm	35.6 cm	1 cm over
Depth	22.9 cm	22.9 cm	Exact

Personal item: 43.2 × 25.4 × 22.9 cm
Side	Bag	Limit	Result
Length	55.1 cm	43.2 cm	11.9 cm over
Width	36.6 cm	25.4 cm	11.2 cm over
Depth	22.9 cm	22.9 cm	Exact

United Airlines rules worth knowing

Carry-on: 22 × 14 × 9 in. Not included on domestic Basic Economy unless you hold MileagePlus status or a co-brand card.
Personal item: 17 × 10 × 9 in, smaller than Delta's or American's.
No published carry-on weight limit.

Airlines where the Away Carry-On fits

Frontier Airlines Southwest Airlines All airlines

Bags that fit United Airlines' carry-on

Biggest first.

CabinZero Classic 36L45 × 31 × 20 cmFits2.9 cm to spareBag page
WANDF Personal Item Duffel45 × 32 × 16 cmFits3.6 cm to spareBag page
Horizn Studios Gion Shoulder Bag27 × 18 × 5.5 cmFits17.4 cm to spareBag page

Good to know

What can I do if the Away Carry-On is too big for United Airlines?

Add a checked bag when you book, which is usually cheaper than paying at the gate, or bring a smaller carry-on. The Away Carry-On does fit Frontier Airlines and Southwest Airlines.

What is United Airlines' carry-on size limit?

United Airlines' carry-on limit is 55.9 × 35.6 × 22.9 cm, with no published weight limit.

Which other bags fit United Airlines?

CabinZero Classic 36L, WANDF Personal Item Duffel and Horizn Studios Gion Shoulder Bag fit with room to spare.