GateSizer

Does the Rimowa Essential Cabin fit United Airlines' carry-on?

No. Too wide by 3.4 cm. It's 39 cm side to side and United Airlines allows 35.6 cm. It's too big for United Airlines' personal item (13.6 cm too wide). On United Airlines' cheapest fare the carry-on costs extra.

Won't fit

Flying with
55.9 × 35.6 × 22.9 cm
Checking
Paid add-on on United Airlines
55 × 39 × 23 cm, hard shell
Units
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Side the bag fails onPart that sticks outSizer frame

Won't fit

Too wide by 3.4 cm. It's 39 cm side to side and United Airlines allows 35.6 cm.

BagRimowa Essential Cabin
Cabin bagUnited Airlines
Length
55of 55.9 cm0.9 cm spare
Width
39of 35.6 cm3.4 cm over
Depth
23of 22.9 cm0.1 cm over
WeightNo published limit on United Airlines

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

We haven't checked this bag's size against the brand yet.

See bags that fit United Airlines

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

Side by side

Rimowa Essential Cabin 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
SideBagLimitResult
Length55 cm55.9 cm0.9 cm spare
Width39 cm35.6 cm3.4 cm over
Depth23 cm22.9 cm0.1 cm over
Personal item: 43.2 × 25.4 × 22.9 cm
SideBagLimitResult
Length55 cm43.2 cm11.8 cm over
Width39 cm25.4 cm13.6 cm over
Depth23 cm22.9 cm0.1 cm over

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 Rimowa Essential Cabin fits

Frontier AirlinesSouthwest AirlinesAll airlines

Bags that fit United Airlines' carry-on

Biggest first.

Good to know

What can I do if the Rimowa Essential Cabin 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 Rimowa Essential Cabin 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.