Does the Cabin Max Metz 30L fit Southwest Airlines' carry-on?

Yes. Fits with at least 4.6 cm to spare on every side. It's too big for Southwest Airlines' personal item (3.7 cm too long).

Fits

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Side the bag fails onPart that sticks outSizer frame

Fits

Fits with at least 4.6 cm to spare on every side.

BagCabin Max Metz 30L

Cabin bagSouthwest Airlines

Length: 45of 61 cm16 cm spare
Width: 36of 40.6 cm4.6 cm spare
Depth: 20of 25.4 cm5.4 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

Cabin Max Metz 30L 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	45 cm	61 cm	16 cm spare
Width	36 cm	40.6 cm	4.6 cm spare
Depth	20 cm	25.4 cm	5.4 cm spare

Personal item: 41.3 × 34.3 × 20.3 cm
Side	Bag	Limit	Result
Length	45 cm	41.3 cm	3.7 cm over
Width	36 cm	34.3 cm	1.7 cm over
Depth	20 cm	20.3 cm	0.3 cm spare

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 Cabin Max Metz 30L fits

Singapore Airlines British Airways easyJet Frontier Airlines Air Canada Lufthansa 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
Travelpro Maxlite 5 21" Expandable Spinner58.4 × 36.8 × 22.9 cmFits2.5 cm to spareBag page

Good to know

Will the Cabin Max Metz 30L still fit Southwest Airlines when it's packed?

It should. It has 4.6 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 Travelpro Maxlite 5 21" Expandable Spinner fit with room to spare. Samsonite Freeform Carry-On Spinner and Away Bigger Carry-On are right on the limit.