Carry-on size checker

Measure the outside of the bag, including wheels and handles. Each limit is checked on its own: every side, the sum of the three sides, the weight and the number of bags. Fitting the limits does not mean the bag is free on your fare.

Flight

The airline that operates the flight, which may differ from the one you booked with.

Bag

Result

Choose an airline and enter the bag's measurements.

Limits we have checked

As each airline states them, with the second figure it gives in brackets. A row whose review is due is shown as being rechecked instead of an old value.

Alaska Airlines

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag22 × 14 × 9 inNot checked yetNot checked yet1Not checked yetNot checked yetAlaska Airlines Reviewed 2026-10-27
Personal itemLength: Not checked yet; Width: Not checked yet; Height: Not checked yetNot checked yetNot checked yet1Not checked yetNot checked yetAlaska Airlines Reviewed 2026-10-27

Allegiant Air

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag22 × 16 × 10 inNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetAllegiant Air Reviewed 2026-10-06
Personal item18 × 14 × 8 inNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetAllegiant Air Reviewed 2026-10-06
Checked bagLength: Not checked yet; Width: Not checked yet; Height: Not checked yet80 in50 lbNot checked yetNot checked yetNot checked yetAllegiant Air Reviewed 2026-10-06

American Airlines

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag22 × 14 × 9 in (56 × 36 × 23 cm)Not mentioned on the airline's pageNot mentioned on the airline's page1Not checked yetNot checked yetAmerican Airlines Reviewed 2026-10-27
Personal item18 × 14 × 8 in (45 × 35 × 20 cm)Not mentioned on the airline's pageNot mentioned on the airline's page1Not checked yetNot checked yetAmerican Airlines Reviewed 2026-10-27

Breeze Airways

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag22 × 14 × 9 inNot checked yet35 lbNot checked yetNot checked yetNot checked yetBreeze Airways Reviewed 2026-10-06
Personal item17 × 13 × 8 inNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetBreeze Airways Reviewed 2026-10-06
Checked bagLength: Not checked yet; Width: Not checked yet; Height: Not checked yet62 in50 lbNot checked yetNot checked yetNot checked yetBreeze Airways Reviewed 2026-10-06

Delta Air Lines

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag22 × 14 × 9 in (56 × 35 × 23 cm)45 in (114 cm)Not mentioned on the airline's page1Not checked yetYesDelta Air Lines Reviewed 2026-10-27
Personal itemLength: Not checked yet; Width: Not checked yet; Height: Not checked yetNot checked yetNot checked yet1Not checked yetYesDelta Air Lines Reviewed 2026-10-27

Frontier Airlines

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag24 × 16 × 10 inNot checked yet35 lbNot checked yetNot checked yetNot checked yetFrontier Airlines Reviewed 2026-10-27
Personal item18 × 14 × 8 inNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetFrontier Airlines Reviewed 2026-10-27
Checked bagLength: Not checked yet; Width: Not checked yet; Height: Not checked yet62 in40 lbNot checked yetNot checked yetNot checked yetFrontier Airlines Reviewed 2026-10-27

JetBlue Airways

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag22 × 14 × 9 inNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetJetBlue Airways Reviewed 2026-10-27
Personal item17 × 13 × 8 inNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetJetBlue Airways Reviewed 2026-10-27
Checked bagLength: Not checked yet; Width: Not checked yet; Height: Not checked yet62 in50 lbNot checked yetNot checked yetNot checked yetJetBlue Airways Reviewed 2026-10-27

Southwest Airlines

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag24 × 16 × 10 inNot mentioned on the airline's pageNot mentioned on the airline's page1Not checked yetNot checked yetSouthwest Airlines Reviewed 2026-10-27
Personal itemLength: Not checked yet; Width: Not checked yet; Height: Not checked yetNot checked yetNot checked yet1Not checked yetNot checked yetSouthwest Airlines Reviewed 2026-10-27

United Airlines

BagSize (L × W × H)L + W + HWeightBagsMay be turnedIn the fareSource
Carry-on bag — fare: Basic EconomyLength: Not checked yet; Width: Not checked yet; Height: Not checked yetNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetUnited Airlines Reviewed 2026-10-27
Carry-on bag — fare: Not Basic Economy22 × 14 × 9 in (56 × 35 × 23 cm)Not mentioned on the airline's pageNot mentioned on the airline's page1Not checked yetNot checked yetUnited Airlines Reviewed 2026-10-27
Personal item — fare: Basic EconomyLength: Not checked yet; Width: Not checked yet; Height: Not checked yetNot checked yetNot checked yetNot checked yetNot checked yetNot checked yetUnited Airlines Reviewed 2026-10-27
Personal item — fare: Not Basic Economy17 × 10 × 9 in (43 × 25 × 22 cm)Not mentioned on the airline's pageNot mentioned on the airline's page1Not checked yetNot checked yetUnited Airlines Reviewed 2026-10-27

How the check works