United Airlines carry-on size
United Airlines allows a carry-on bag of up to 22 × 14 × 9 in (56 × 35 × 23 cm), plus a personal item of 17 × 10 × 9 in (43 × 25 × 22 cm).
Source: United Airlines baggage page, checked 2026-10-26
Carry-on bag: 22 × 14 × 9 in
Which backpacks fit United
| Bag | Listed size | Carry-on bag | Personal item |
|---|---|---|---|
| Osprey Farpoint 40 | 55 × 35 × 23 cm (21.7 × 13.8 × 9.1 in) | Fits if not packed full −0.1 in | Too big −4.7 in |
| Osprey Fairview 40 | 55 × 35 × 23 cm (21.7 × 13.8 × 9.1 in) | Fits if not packed full −0.1 in | Too big −4.7 in |
| Osprey Daylite Plus 20 | 48 × 28 × 24 cm (18.9 × 11.02 × 9.45 in) | Fits if not packed full −0.4 in | Too big −1.9 in |
| Cotopaxi Allpa 35L | 22 × 12 × 10 in (56 × 30 × 25 cm) | Fits if not packed full −1.0 in | Too big −5.0 in |
| Aer Travel Pack 3 | 21.5 × 13 × 9 in (54.5 × 33 × 21.5 cm) | Fits 0 in | Too big −4.5 in |
| Tortuga Pro Backpack 40L | 22 × 14 × 8 in (55 × 35 × 20 cm) | Fits 0 in | Too big −5.0 in |
| Nomatic Travel Pack 20L | 18.5 × 12 × 6 in (≈ 47 × 30.5 × 15.2 cm) | Fits +2.0 in | Too big −2.0 in |
| CABINZERO Classic 44L | 51 × 36 × 18 cm (20.1 × 14.2 × 7.1 in) | Too big −0.2 in | Too big −4.2 in |
| CABINZERO Classic 28L | 39 × 29.5 × 20 cm (15.4 × 11.6 × 7.9 in) | Fits +1.1 in | Too big −1.6 in |
| The North Face Borealis | 12 × 6.5 × 19.5 in (30.5 × 16.5 × 49.5 cm) | Fits +2.0 in | Too big −2.5 in |
The number next to each verdict is the tightest side: how much room is left (or how much the bag is over) on its closest side.
Other airlines
Delta Air Lines22 × 14 × 9 inAmerican Airlines22 × 14 × 9 inSouthwest Airlines24 × 16 × 10 inJetBlue22 × 14 × 9 inSpirit Airlines22 × 18 × 10 inFrontier Airlines24 × 16 × 10 inAllegiant Air22 × 16 × 10 inRyanair55 × 40 × 20 cmeasyJet56 × 45 × 25 cmWizz Air55 × 40 × 23 cmJet256 × 45 × 25 cmBritish Airways56 × 45 × 25 cmLufthansa55 × 40 × 23 cmKLM55 × 35 × 25 cmAir Canada55 × 40 × 23 cmWestJet56 × 36 × 23 cmQantas56 × 36 × 23 cm
Questions
What is the United carry-on size in cm and inches?
22 × 14 × 9 in (56 × 35 × 23 cm). Include the handle and wheels when you measure.
Does United weigh carry-on bags?
United's baggage page gives no weight limit for the carry-on bag. You must be able to lift it into the overhead bin.
Which travel backpacks fit United's carry-on limit?
Of the bags we checked, these fit packed full: Aer Travel Pack 3, Tortuga Pro Backpack 40L, Nomatic Travel Pack 20L, CABINZERO Classic 28L, The North Face Borealis.
What size is the United personal item?
17 × 10 × 9 in (43 × 25 × 22 cm). Must fit under the seat in front of you.