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Does Gregory Border 30 fit Frontier 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

Gregory Border 30

Does not fit

Gregory Border 30 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: 3 in.

Scaled fit visualizationDoes not fit. Largest overage: 3 in.Bag size21 x 13 x 8.5 inRule size18 x 14 x 8 inRule width 14 inRule length 18 inBag width 13 inBag length 21 inDepth: Bag 8.5 in / Rule 8 in

Does not fit. Largest overage: 3 in.

Height

Over by 3 in

Bag 21 in / Rule 18 in

Width

Spare room +1 in

Bag 13 in / Rule 14 in

Depth

Over by 0.5 in

Bag 8.5 in / Rule 8 in

  • info: Frontier says personal item size may be checked during boarding
Bag
21 x 13 x 8.5 in
Rule
18 x 14 x 8 in
Risk
92/100
Confidence
high

Margins: length -3 in, width 1 in, depth -0.5 in.

Main issue: length by 3.0 in, depth by 0.5 in.

Bag data

Audited dimensions
Last reviewed
2026-05-29
Dimension confidence
high
Primary source
manufacturer

Airline rule data

Airline-published rule
Last reviewed
2026-05-28
Rule confidence
high

Better-fitting alternatives

Personal item

Osprey Daylite Expandable Travel Pack 26+6

Fits

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

Bag
17 x 13 x 6 in
Rule
18 x 14 x 8 in
Risk
8/100
Confidence
high

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

Personal item

CabinZero Classic Cabin Backpack 28L

Fits

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

Bag
15.4 x 11.6 x 7.9 in
Rule
18 x 14 x 8 in
Risk
8/100
Confidence
high

Margins: length 2.6 in, width 2.4 in, depth 0.1 in.

Personal item

CALPAK Luka 15 inch Laptop Backpack

Fits

CALPAK Luka 15 inch Laptop Backpack fits the published personal-item dimensions for this rule. Still measure the packed bag, including handles and wheels.

Bag
16 x 12 x 7 in
Rule
18 x 14 x 8 in
Risk
8/100
Confidence
high

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