BagComply

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Delta Air Lines vs United Airlines

Cabin and carry-on baggage limits for Delta Air Lines and United Airlines, side by side.

⚠ These figures are awaiting manual verification against the airline's official page. Treat them as preliminary.

Both Delta Air Lines and United Airlines allow the same longest carry-on side (56 cm).

Check your bag

Enter your bag's dimensions to see how it fares against both airlines' carry-on limits.

optional — leave blank to skip the weight check Leave blank and we report the piece count as not checked — never as passed. Enter it only if you want it compared.

PreliminaryRules marked Preliminary have not yet been manually verified against the airline's official page. They may differ from the airline's actual policy — always confirm with the airline before you fly.

Carry-on compliance check results
Airline Verdict Fits as Margin Checked on Source

Enter your bag's size above to see which airlines accept it.

Max dimensions
56 × 35 × 23 cm
Total linear
114 cm total
Weight limit
Not published
Pieces
1
Max dimensions
56 × 35 × 23 cm
Total linear
Not published
Weight limit
Not published
Pieces
1

Cabin & carry-on allowances

Baggage allowances by fare tier
Allowance Delta Air Lines United Airlines
Carry-on 56 × 35 × 23 cm · 114 cm total · Not published · 1 pc including handles and wheels No carry-on weight limit is published. 56 × 35 × 23 cm · Not published · Not published · 1 pc including handle and wheels
Personal item Not published · Not published · Not published · 1 pc Must fit underneath the seat in front of you Purse, laptop bag or item of similar size Free on every fare, including Basic Economy. Delta does not publish exact dimensions or a weight limit for the personal item. 43 × 25 × 22 cm · Not published · Not published · 1 pc including handle and wheels Must fit under the seat in front of you

Sources

Delta Air Lines

Carry-On Baggage | Delta Air Lines (opens in a new window)
Official · unverified Last checked: 2026-10-11

United Airlines

Carry-on Bags (opens in a new window)
Official · unverified Last checked: 2026-10-11

The rules behind these figures

Both sides of this comparison come from these rule pages; open one to see its source excerpt.