Airport delay rankings

Late = arrived at a Korean airport over 15 min late; cancellations counted apart

2026-11-04 to 2026-11-09, 2,932 flights flown, 6 cancelled

Ranking airports with 10+ flights a day on average (60+ in this period)

  1. 1JejuCJU21.8%271 of 1,242 flown late, avg when late 31 mincancelled 2
  2. 2CheongjuCJJ17.2%29 of 169 flown late, avg when late 37 min
  3. 3DaeguTAE16.0%15 of 94 flown late, avg when late 26 min
  4. 4GimpoGMP15.7%130 of 827 flown late, avg when late 33 mincancelled 4
  5. 5Busan GimhaePUS13.8%40 of 290 flown late, avg when late 31 min
  6. 6GwangjuKWJ13.1%14 of 107 flown late, avg when late 26 min

Fewer flights

  1. YeosuRSU19.0%8 of 42 flown late, avg when late 34 min
  2. SacheonHIN14.6%6 of 41 flown late, avg when late 30 min
  3. UlsanUSN8.3%3 of 36 flown late, avg when late 33 min
  4. IncheonICN7.3%3 of 41 flown late, avg when late 34 min

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