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

Yes, just. Fits with 1 cm to spare on the tightest side. It's too big for Southwest Airlines' personal item (16.4 cm too long).

Tight fit

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Side the bag fails onPart that sticks outSizer frame

Tight fit

Fits with 1 cm to spare on the tightest side.

BagAway Bigger Carry-On

Cabin bagSouthwest Airlines

Length: 57.7of 61 cm3.3 cm spare
Width: 39.1of 40.6 cm1.5 cm spare
Depth: 24.4of 25.4 cm1 cm spare

WeightNo published limit on Southwest Airlines

Packed weightkg

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

What you can do

Pack it before you measure. A full pocket can add 3 to 5 cm.

See bags that fit Southwest Airlines

Southwest Airlines rules checked 2 Nov 2026. Airline's page. Sizes include wheels and handles.

Side by side

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

Carry-on: 61 × 40.6 × 25.4 cm
Side	Bag	Limit	Result
Length	57.7 cm	61 cm	3.3 cm spare
Width	39.1 cm	40.6 cm	1.5 cm spare
Depth	24.4 cm	25.4 cm	1 cm spare

Personal item: 41.3 × 34.3 × 20.3 cm
Side	Bag	Limit	Result
Length	57.7 cm	41.3 cm	16.4 cm over
Width	39.1 cm	34.3 cm	4.8 cm over
Depth	24.4 cm	20.3 cm	4.1 cm over

Southwest Airlines rules worth knowing

Carry-on: 24 × 16 × 10 in, bigger than most US airlines allow.
Personal item: 16.25 × 13.5 × 8 in.
A bag packed to Southwest's limit may not fit a connecting Delta or United flight.

Bags that fit Southwest Airlines' carry-on

Biggest first.

Samsonite Freeform Carry-On Spinner58.4 × 38.1 × 24.8 cmTight0.6 cm to spareBag page
Rimowa Essential Cabin55 × 39 × 23 cmFits1.6 cm to spareBag page
Travelpro Maxlite 5 21" Expandable Spinner58.4 × 36.8 × 22.9 cmFits2.5 cm to spareBag page
Away Carry-On55.1 × 36.6 × 22.9 cmFits2.5 cm to spareBag page

Good to know

Will the Away Bigger Carry-On still fit Southwest Airlines when it's packed?

Only just. Keep the front pockets flat and the expansion zip closed, and measure it packed before you leave.

What is Southwest Airlines' carry-on size limit?

Southwest Airlines' carry-on limit is 61 × 40.6 × 25.4 cm, with no published weight limit.

Which other bags fit Southwest Airlines?

Rimowa Essential Cabin, Travelpro Maxlite 5 21" Expandable Spinner and Away Carry-On fit with room to spare. Samsonite Freeform Carry-On Spinner is right on the limit.