| Airline | Notes |
Economy | Premium Economy |
Business | First |
| UPGRADE | UPGRADE | ||||
|
|
See Notes* | KRTWSKY | KRTWSKY | IRTWSKY | IRTWSKY |
| AF | K | W | I/Y | F (not within Europe) | |
| AM | K | I | |||
| AR | K | S | I/W | ||
| AZ | K | A | I/Y | ||
| CI | K | E | D/Y | ||
| DL | K | G (not within area 1) |
I | F (not within area 1/Europe) | |
| FM | K | |
D (P- w/in China) |
||
| GA | See Notes^ | K (Y-w/in Indonesia) |
I (D-w/in Indonesia) |
A/F | |
| KE | K | D (C/Y-w/in Korea) |
F/P | ||
| KL | K | I/Y | |||
| KQ | K | I | |||
| ME | K | I | |||
| MF | K | D (D/A-w/in China) |
A | ||
| MU | K | W | D/Y (D/P/Y-w/in China) |
F | |
| OK | K | D/Y | |||
| RO | K | D (Y-w/in RO) |
|||
| SU | K | A | D/Y | ||
| SV | K | I | A | ||
| UX | K | I/Y | |||
| VN | K | U | D | ||
|
^ GA sectors operated by ATR service in all economy. * Original fare basis applies in case of an upgrade |
|||||