§ 2 · Common frames
Most cabins run on one of six frames.
Carry-on limits cluster around a handful of frames. Below are the six most frequent ones in the table, ranked by how many airlines publish each — and which carriers sit behind every figure.
| Rank | Frame, cm | Frame, inches | Airlines | Who uses it |
|---|---|---|---|---|
| 1. | 55 × 40 × 20 | 22 × 16 × 8 in | 38 airlines | AH · G9 · CA · AI · RS · OZ · OB · MU · CZ · OU · A9 · HU · FI · J9 … |
| 2. | 56 × 36 × 23 | 22 × 14 × 9 in | 35 airlines | NZ · AK · D7 · AS · AA · OD · BG · BW · CX · 5J · CI · EY · BR · FA … |
| 3. | 55 × 40 × 23 | 22 × 16 × 9 in | 28 airlines | AC · MK · JU · HM · TS · BT · SB · OS · XP · J2 · SN · FB · MS · ET … |
| 4. | 55 × 35 × 25 | 22 × 14 × 10 in | 15 airlines | AR · AF · IX · TN · QP · AV · AD · G3 · 6E · AZ · KQ · KL · LA · SG … |
| 5. | 56 × 45 × 25 | 22 × 18 × 10 in | 9 airlines | A3 · KC · PG · BA · U2 · LY · LS · DD · TG |
| 6. | 55 × 40 × 25 | 22 × 16 × 10 in | 7 airlines | AM · SU · NH · DM · JL · HV · ZG |
* Counts reflect the table as last revised. None of the six is universal — one trip can pass through several frames, and the operator flying each leg sets its own.
Find your airline’s frame in the full table — every carrier, A to Z, with a filter that takes a name or a code.
Turn to the table