Your fit result

Does CabinZero Classic Cabin Backpack 28L fit Southwest Airlines?

This page compares the bag dimensions we have against one published airline rule, renders the fit to scale, and keeps the caveats visible.

Personal item

CabinZero Classic Cabin Backpack 28L

Fits

CabinZero Classic Cabin Backpack 28L fits the estimated personal-item dimensions for this rule. Still measure the packed bag, including handles and wheels.

Visual sizer

Bag vs airline rule

Fits

Fits exactly at the published limit. No spare room on the tightest side.

Fits. No spare room on the tightest side.

Height

Spare room +0.3 in

Bag 15.4 in / Rule 15.7 in

Width

Spare room +0.2 in

Bag 11.6 in / Rule 11.8 in

Depth

Exact limit

Bag 7.9 in / Rule 7.9 in

warning: This result uses medium-confidence source data.
info: No exact personal-item dimensions in checked source; placeholder is not official
warning: This airline does not publish exact numeric personal-item dimensions; the visual uses a conservative under-seat estimate.

Bag: 15.4 x 11.6 x 7.9 in
Rule: 15.7 x 11.8 x 7.9 in
Risk: 8/100
Confidence: medium

Margins: length 0.3 in, width 0.2 in, depth 0 in.

Bag data

Audited dimensions

Last reviewed: 2026-05-28
Dimension confidence: high
Primary source: manufacturer

Airline rule data

Source-linked rule

Last reviewed: 2026-05-28
Rule confidence: medium
Airline rule: Airline baggage page

View bag details View airline rules Suggest correction

Better-fitting alternatives

Personal item

Rick Steves Civita Day Pack

Fits

Rick Steves Civita Day Pack fits the estimated personal-item dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 14 x 11 x 5.5 in
Rule: 15.7 x 11.8 x 7.9 in
Risk: 8/100
Confidence: medium

Margins: length 1.7 in, width 0.8 in, depth 2.4 in.

Bag details

Personal item

CALPAK Luka 15 inch Laptop Backpack

Risky

CALPAK Luka 15 inch Laptop Backpack is over the estimated personal-item dimensions, but the soft construction may make it a borderline option if lightly packed. Treat this as a fee-risk result.

Bag: 16 x 12 x 7 in
Rule: 15.7 x 11.8 x 7.9 in
Risk: 48/100
Confidence: medium

Margins: length -0.3 in, width -0.2 in, depth 0.9 in.

Main issue: length by 0.3 in, width by 0.2 in.

Bag details

Personal item

Monos Metro Backpack

Risky

Monos Metro Backpack is over the estimated personal-item dimensions, but the soft construction may make it a borderline option if lightly packed. Treat this as a fee-risk result.

Bag: 16.5 x 11.5 x 6 in
Rule: 15.7 x 11.8 x 7.9 in
Risk: 48/100
Confidence: medium

Margins: length -0.8 in, width 0.3 in, depth 1.9 in.

Main issue: length by 0.8 in.

Bag details