Korean Air plans to make the following operational changes in summer 2020 (Routes Online, 14-Nov-2019):
- Seoul Incheon-Amsterdam: 777-300ER replaces 777-200ER, effective 29-Mar-2020;
- Seoul Incheon-Barcelona: Increase from four to five times weekly, effective 31-Mar-2020;
- Seoul Incheon-Istanbul: 777-300ER replaces 777-200ER, effective 29-Mar-2020;
- Seoul Incheon-Paris CDG: Seasonal eighth weekly frequency cancelled;
- Seoul Incheon-Vienna: 777-300ER replaces 777-200ER, effective 29-Mar-2020;
- Seoul Incheon-Vladivostok: A330-300 replaces 737-800 from 29-Mar-2020 to 31-May-2020, and A330-200 from 01-Jun-2020;
- Seoul Incheon-Zurich: 787-9 replaces A330-200, effective 31-Mar-2020;
- Seoul Incheon-Zagreb: 777-300ER replaces 777-200ER, effective 31-Mar-2020.