Your fit result

Does BAGSMART Roamer Expandable 20 inch Carry On Luggage fit Allegiant Air?

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

Carry-on

BAGSMART Roamer Expandable 20 inch Carry On Luggage

Fits

BAGSMART Roamer Expandable 20 inch Carry On Luggage fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Fit proof

0.3 in tightest spare room

Fits

Fits. length spare room 0.3 inches, width spare room 2.1 inches, depth spare room 1 inches.

Rendered to scale

Fits. Tightest spare room: 0.3 in.

Height

Spare room +0.3 in

Bag 21.7 in / Rule 22 in

Width

Spare room +2.1 in

Bag 13.9 in / Rule 16 in

Depth

Spare room +1 in

Bag 9 in / Rule 10 in

Data status

Audited dimensionsAirline-published rule

Rendered from the dimensions shown here. Airline staff and packed shape can still affect the real-world outcome.

Fit is rendered from verified dimensions using a shape profile.

Bag: 21.7 x 13.9 x 9 in
Rule: 22 x 16 x 10 in
Risk: 8/100
Confidence: high

Margins: length 0.3 in, width 2.1 in, depth 1 in.

Bag data

Audited dimensions

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

Airline rule data

Airline-published rule

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

View bag page View airline rules Suggest correction

Better-fitting alternatives

Carry-on

Monos Carry-On

Fits

Monos Carry-On fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 22 x 14 x 9 in
Rule: 22 x 16 x 10 in
Risk: 8/100
Confidence: high

Margins: length 0 in, width 2 in, depth 1 in.

Bag page Fit page

Carry-on

Aer Carry-On

Fits

Aer Carry-On fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 21.7 x 14 x 9 in
Rule: 22 x 16 x 10 in
Risk: 8/100
Confidence: high

Margins: length 0.3 in, width 2 in, depth 1 in.

Bag page Fit page

Carry-on

Osprey Daylite Expandable Travel Pack 26+6

Fits

Osprey Daylite Expandable Travel Pack 26+6 fits the published carry-on dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag: 17 x 13 x 6 in
Rule: 22 x 16 x 10 in
Risk: 8/100
Confidence: high

Margins: length 5 in, width 3 in, depth 4 in.

Bag page Fit page