Does the Travelpro Maxlite 5 21" Expandable Spinner fit Southwest Airlines' carry-on?

Yes. Fits with at least 2.5 cm to spare on every side. It's too big for Southwest Airlines' personal item (17.1 cm too long).

Fits

Drag to turn it around, scroll or pinch to zoom

Loading the 3D view…

Squeeze it in 0%Expansion zip open, +5.1 cm

Side the bag fails onPart that sticks outSizer frame

Fits

Fits with at least 2.5 cm to spare on every side.

BagTravelpro Maxlite 5 21" Expandable Spinner

Cabin bagSouthwest Airlines

Length: 58.4of 61 cm2.6 cm spare
Width: 36.8of 40.6 cm3.8 cm spare
Depth: 22.9of 25.4 cm2.5 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.

See bags that fit Southwest Airlines

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

Side by side

Travelpro Maxlite 5 21" Expandable 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
Side	Bag	Limit	Result
Length	58.4 cm	61 cm	2.6 cm spare
Width	36.8 cm	40.6 cm	3.8 cm spare
Depth	22.9 cm	25.4 cm	2.5 cm spare

Personal item: 41.3 × 34.3 × 20.3 cm
Side	Bag	Limit	Result
Length	58.4 cm	41.3 cm	17.1 cm over
Width	36.8 cm	34.3 cm	2.5 cm over
Depth	22.9 cm	20.3 cm	2.6 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.

Airlines where the Travelpro Maxlite 5 21" Expandable Spinner fits

Frontier Airlines All airlines

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
Away Bigger Carry-On57.7 × 39.1 × 24.4 cmTight1 cm to spareBag page
Rimowa Essential Cabin55 × 39 × 23 cmFits1.6 cm to spareBag page
Away Carry-On55.1 × 36.6 × 22.9 cmFits2.5 cm to spareBag page

Good to know

Will the Travelpro Maxlite 5 21" Expandable Spinner still fit Southwest Airlines when it's packed?

It should. It has 2.5 cm to spare on its tightest side, and a stuffed front pocket usually adds 3 to 5 cm, so don't overfill the outside pockets.

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 and Away Carry-On fit with room to spare. Samsonite Freeform Carry-On Spinner and Away Bigger Carry-On are right on the limit.