Carry-on size limits by airline

Airline	Cabin bag (cm)	As printed (in)	Weight	Personal item	Wheels count?	Checked
easyJet Europe	45 × 36 × 20	17.7 × 14.2 × 7.9	15 kg	—	including any handles and wheels	2026-08-23
This small bag is the free one. The larger 56 × 45 × 25 cm cabin bag is a paid add-on.
British Airways Europe	56 × 45 × 25	22 × 18 × 10	none published	40 × 30 × 15	including wheels and handles	2026-08-23
No cabin weight limit published, but you must be able to lift it into the locker unaided.
Lufthansa Europe	55 × 40 × 23	21.7 × 15.7 × 9.1	8 kg	40 × 30 × 15	not stated	2026-08-23
Economy Basic on short and medium haul is personal item only — no cabin bag at all.
Delta North America	56 × 35 × 23	22 × 14 × 9	none published	—	include any handles or wheels	2026-08-23
Delta also publishes a 45-linear-inch (114 cm) cabin cap on top of the per-side maxima. No other size checker computes it — this one does.
United North America	56 × 35 × 23	22 × 14 × 9	none published	43 × 25 × 22	include the handle and wheels	2026-08-23
Basic Economy still strips the carry-on on most routes — personal item only, and a $75 fee at the gate if you turn up with one.
American North America	56 × 36 × 23	22 × 14 × 9	none published	45 × 35 × 20	including handles and wheels	2026-08-23
Southwest North America	61 × 41 × 25	24 × 16 × 10	none published	—	wheels, handles and any attachments count	2026-08-23
Materially larger than the 22 × 14 × 9 in US norm — a bag that fails everywhere else may well fit here.
JetBlue North America	55.88 × 35.56 × 22.86	22 × 14 × 9	none published	43.2 × 33 × 20.32	including wheels and handles	2026-08-23
Blue Basic regained its carry-on allowance on 6 September 2024.
Air Canada North America	55 × 40 × 23	21.5 × 15.5 × 9	none published	43 × 33 × 16	include wheels and handles	2026-08-23
The only carrier here with no cabin weight limit at all. Size is enforced with airport sizers instead.
Emirates Middle East	55 × 38 × 22	22 × 15 × 9	7 kg Economy, 10 kg Premium Economy	—	not stated	2026-08-23
Economy has no free personal item — one bag, full stop. This is the most expensive misconception on this carrier.
Qatar Airways Middle East	50 × 37 × 25	20 × 15 × 10	7 kg Economy; Business gets 2 pieces totalling 15 kg	one small handbag, briefcase or laptop bag	not stated	2026-08-23
Qatar prints 20 × 15 × 10 in for a 50 × 37 × 25 cm bag. The true conversion is 19.7 × 14.6 × 9.8, so the inch figure is generous to itself — measure in centimetres.
Qantas Asia-Pacific	56 × 36 × 23	22 × 14 × 9	7 kg Economy, 14 kg Premium	—	including any wheels and packed away handles	2026-08-23
Singapore Airlines Asia-Pacific	sum ≤ 115	sum of the three sides under 115 cm (about 45 in)	7 kg; premium cabins get 2 pieces	40 × 30 × 10	not stated	2026-08-23
Singapore is the only carrier here that sets no per-side maximum in the cabin — only the sum of the three sides. A long thin bag can pass here and fail everywhere else.

Two airlines are deliberately absent. Ryanair — Blocked every automated request — main site, help centre and conditions of carriage alike. Air France — Allowance pages are fully JavaScript-gated on every regional domain. Copying their figures from a third-party blog would be guessing with your gate fee, so they are named here instead.

Why every row carries its own date

The best chart in this category — and it is genuinely good — carries a single page-level "updated" date covering sixty-four airlines. That tells you when someone touched the page, not when they last looked at the row you came for.

Airline allowances change on their own schedules and rarely with announcements. Southwest's free checked bags ended in May 2025 and the fees rose again in April 2026. JetBlue's Blue Basic regained its carry-on in September 2024. A page-level date cannot express any of that, so each row here carries its own.

Both figures, never converted

Airlines publish a metric figure and an imperial one, and the two frequently disagree. 62 inches is 157.48 cm, but American prints 158 and Delta prints 157. 50 lb is 22.68 kg, but the published figure is 23. Qatar prints 20 × 15 × 10 in for 50 × 37 × 25 cm, where the honest conversion is 19.7 × 14.6 × 9.8.

So both published values are stored separately and neither is derived from the other. Competitors convert one into the other and are therefore wrong somewhere — usually in the direction that makes a bag look acceptable when the airline says otherwise.

The outliers worth knowing

Southwest allows 24 × 16 × 10 inches, materially larger than the 22 × 14 × 9 that most of North America uses. A bag that fails everywhere else may well be fine there.

Air Canada is the only carrier here with no cabin weight limit at all — it enforces size with airport sizers instead. Lufthansa's Economy Basic on short and medium haul carries no cabin bag whatsoever, only a personal item. And United's Basic Economy still strips the carry-on on most routes, with a $75 fee if you arrive with one.

Things people ask

Which airlines are missing and why?

Ryanair and Air France. Both block automated access to their own allowance pages, so their figures could not be read from source. They are named rather than quietly omitted.

Is the weight limit enforced?

It varies enormously. Most European and Gulf carriers weigh cabin bags at least sometimes; most US carriers publish no cabin weight limit at all.

What is a personal item?

A smaller bag that goes under the seat — a handbag, laptop bag or small rucksack. Where an airline publishes dimensions for it, they are in the table.