GateSizer

Does the Samsonite Freeform Carry-On Spinner fit Southwest Airlines' carry-on?

Yes, just. Fits with 0.6 cm to spare on the tightest side. It's too big for Southwest Airlines' personal item (17.1 cm too long).

Tight fit

Flying with
61 × 40.6 × 25.4 cm
Checking
58.4 × 38.1 × 24.8 cm, hard shell
Units
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Side the bag fails onPart that sticks outSizer frame

Tight fit

Fits with 0.6 cm to spare on the tightest side.

BagSamsonite Freeform Carry-On Spinner
Cabin bagSouthwest Airlines
Length
58.4of 61 cm2.6 cm spare
Width
38.1of 40.6 cm2.5 cm spare
Depth
24.8of 25.4 cm0.6 cm spare
WeightNo published limit on Southwest Airlines

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

Samsonite Freeform Carry-On Spinner 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
SideBagLimitResult
Length58.4 cm61 cm2.6 cm spare
Width38.1 cm40.6 cm2.5 cm spare
Depth24.8 cm25.4 cm0.6 cm spare
Personal item: 41.3 × 34.3 × 20.3 cm
SideBagLimitResult
Length58.4 cm41.3 cm17.1 cm over
Width38.1 cm34.3 cm3.8 cm over
Depth24.8 cm20.3 cm4.5 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.

Good to know

Will the Samsonite Freeform Carry-On Spinner 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. Away Bigger Carry-On is right on the limit.