Does the CabinZero Classic 36L fit Delta Air Lines' carry-on?

Yes. Fits with at least 2.9 cm to spare on every side. It's too big for Delta Air Lines' personal item (No size published).

Fits

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Side the bag fails onPart that sticks outSizer frame

Fits

Fits with at least 2.9 cm to spare on every side.

BagCabinZero Classic 36L

Cabin bagDelta Air Lines

WeightNo published limit on Delta Air Lines

Packed weightkg

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

Delta Air Lines rules checked 2 Nov 2026. Airline's page. Sizes include wheels and handles.

Side by side

CabinZero Classic 36L against Delta Air Lines' limits. Bags can be turned, so the longest side is compared with the longest limit.

Carry-on: 55.9 × 35.6 × 22.9 cm
Side	Bag	Limit	Result
Length	45 cm	55.9 cm	10.9 cm spare
Width	31 cm	35.6 cm	4.6 cm spare
Depth	20 cm	22.9 cm	2.9 cm spare

Carry-on: 22 × 14 × 9 in including wheels and handles. Included even on Basic Economy.
Personal item: Delta doesn't publish a size. It just has to fit under the seat: a purse, laptop bag or small backpack.
No published carry-on weight limit.
Regional jets with under 50 seats may valet-check carry-ons.

Biggest first.

It should. It has 2.9 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.

Delta Air Lines' carry-on limit is 55.9 × 35.6 × 22.9 cm, with no published weight limit.

WANDF Personal Item Duffel and Horizn Studios Gion Shoulder Bag fit with room to spare.