Your fit result

Does SwissGear Sion Softside Expandable 21-Inch fit Boutique Air?

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

SwissGear Sion Softside Expandable 21-Inch

Does not fit

SwissGear Sion Softside Expandable 21-Inch is larger than the published personal-item dimensions. Pick a smaller alternative for this airline rule.

Visual sizer

Bag vs airline rule

Does not fit

Does not fit. Largest overage: 6 in.

Height

Over by 6 in

Bag 23 in / Rule 17 in

Width

Over by 4.1 in

Bag 14.1 in / Rule 10 in

Depth

Over by 1 in

Bag 10 in / Rule 9 in

warning: This result uses medium-confidence source data.
risk: Bag dimensions are not directly manufacturer-published for this launch record.
info: All other baggage must be checked with Boutique Air at the gate or ticket counter for loading into the luggage compartment.

Bag: 23 x 14.1 x 10 in
Rule: 17 x 10 x 9 in
Risk: 92/100
Confidence: medium

Margins: length -6 in, width -4.1 in, depth -1 in.

Main issue: length by 6.0 in, width by 4.1 in, depth by 1.0 in.

Bag data

Your dimensions

Last reviewed: 2026-05-28
Dimension confidence: medium
Primary source: manual_test

Airline rule data

Airline-published rule

Last reviewed: 2026-06-15
Rule confidence: high
Airline rule: Airline baggage page

View bag details View airline rules Suggest correction

Better-fitting alternatives

Personal item

Alpaka Metro Backpack

Fits

Alpaka Metro Backpack fits the published personal-item dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 16.5 x 9.8 x 6.1 in
Rule: 17 x 10 x 9 in
Risk: 8/100
Confidence: high

Margins: length 0.5 in, width 0.2 in, depth 2.9 in.

Bag details

Personal item

Matador ReFraction Packable Backpack

Fits

Matador ReFraction Packable Backpack fits the published personal-item dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 17 x 10 x 7.5 in
Rule: 17 x 10 x 9 in
Risk: 8/100
Confidence: high

Margins: length 0 in, width 0 in, depth 1.5 in.

Bag details

Personal item

Dagne Dover Landon Carryall Medium

Fits

Dagne Dover Landon Carryall Medium fits the published personal-item dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 14.5 x 7.5 x 9 in
Rule: 17 x 10 x 9 in
Risk: 8/100
Confidence: high

Margins: length 2.5 in, width 2.5 in, depth 0 in.

Bag details