Spring Airlines Japan from 31MAR19 is adjusting operational flight numbers on international routes, announced by the airline last week. The airline’s international service will move from 4-digit to 3-digit, including:
Tokyo Narita – Chongqing IJ1021/1022 > IJ357/358 (4 weekly)
Tokyo Narita – Harbin IJ1051/1052 > IJ213/214 (7 weekly)
Tokyo Narita – Tianjin IJ1031/1032 > IJ253/254 (7 weekly)
Tokyo Narita – Wuhan IJ1011/1012 > IJ301/302 (3 weekly)
Separately, the airline will also re-number Tokyo Narita – Sapporo New Chitose service from 31MAR19, moving from IJ20x to IJ83x series.