Route delay rankings

2026-11-09, 494 flights flown

Ranking routes with 6+ flights on this day

1. 1Daegu → Jeju56.3%9 of 16 flown late, avg when late 27 min
2. 2Cheongju → Jeju53.6%15 of 28 flown late, avg when late 35 min
3. 3Jeju → Busan Gimhae44.4%12 of 27 flown late, avg when late 29 min
4. 4Jeju → Gimpo43.3%45 of 104 flown late, avg when late 35 min
5. 5Gimpo → Jeju42.3%44 of 104 flown late, avg when late 34 min
6. 6Busan Gimhae → Jeju34.5%10 of 29 flown late, avg when late 30 min
7. 7Jeju → Gwangju31.3%5 of 16 flown late, avg when late 32 min
8. 7Gwangju → Jeju31.3%5 of 16 flown late, avg when late 35 min
9. 9Jeju → Cheongju30.0%9 of 30 flown late, avg when late 29 min
10. 10Jeju → Daegu25.0%4 of 16 flown late, avg when late 24 min
11. 11Gimpo → Busan Gimhae0.0%0 of 22 flown late
12. 11Busan Gimhae → Gimpo0.0%0 of 21 flown late
13. 11Gimpo → Sacheon0.0%0 of 6 flown late
14. 11Sacheon → Gimpo0.0%0 of 6 flown late

Fewer flights

1. Jeju → Yeosu50.0%2 of 4 flown late, avg when late 35 min
2. Yeosu → Gimpo33.3%1 of 3 flown late, avg when late 28 min
3. Yeosu → Jeju25.0%1 of 4 flown late, avg when late 22 min
4. Busan Gimhae → Incheon0.0%0 of 5 flown late
5. Jeju → Ulsan0.0%0 of 3 flown late
6. Gimpo → Yeosu0.0%0 of 3 flown late
7. Gimpo → Ulsan0.0%0 of 3 flown late
8. Ulsan → Jeju0.0%0 of 3 flown late
9. Ulsan → Gimpo0.0%0 of 3 flown late

2026-11-09, 751 flights flown

Ranking routes with 6+ flights on this day

1. 1Phu Quoc Island → Incheon66.7%6 of 9 flown late, avg when late 38 min
2. 2Sapporo → Incheon60.0%6 of 10 flown late, avg when late 37 min
3. 2Ho Chi Minh City → Incheon60.0%6 of 10 flown late, avg when late 34 min
4. 4Hagåtña → Incheon50.0%3 of 6 flown late, avg when late 33 min
5. 5Bangkok → Incheon42.9%6 of 14 flown late, avg when late 46 min
6. 6Taoyuan → Busan Gimhae33.3%4 of 12 flown late, avg when late 26 min
7. 7Manila → Incheon30.0%3 of 10 flown late, avg when late 78 min
8. 8Narita → Busan Gimhae28.6%2 of 7 flown late, avg when late 96 min
9. 9Taoyuan → Incheon25.0%3 of 12 flown late, avg when late 22 min
10. 10Nha Trang → Incheon22.2%2 of 9 flown late, avg when late 40 min
11. 11Shanghai → Incheon20.0%3 of 15 flown late, avg when late 48 min
12. 12Hanoi → Incheon18.2%2 of 11 flown late, avg when late 25 min
13. 13Singapore → Incheon16.7%2 of 12 flown late, avg when late 38 min
14. 13Guangzhou → Incheon16.7%1 of 6 flown late, avg when late 26 min
15. 13Yanji → Incheon16.7%1 of 6 flown late, avg when late 21 min
16. 16Hong Kong → Incheon15.8%3 of 19 flown late, avg when late 29 min
17. 17Qingdao → Incheon11.8%2 of 17 flown late, avg when late 21 min
18. 18Fukuoka → Busan Gimhae9.1%1 of 11 flown late, avg when late 67 min
19. 18Osaka → Busan Gimhae9.1%1 of 11 flown late, avg when late 45 min
20. 20Tokyo → Gimpo8.3%1 of 12 flown late, avg when late 16 min
21. 21Osaka → Incheon7.9%3 of 38 flown late, avg when late 51 min
22. 22Narita → Incheon7.1%3 of 42 flown late, avg when late 33 min
23. 23Fukuoka → Incheon0.0%0 of 23 flown late
24. 23Da Nang → Incheon0.0%0 of 10 flown late
25. 23Osaka → Gimpo0.0%0 of 10 flown late
26. 23Beijing → Incheon0.0%0 of 10 flown late
27. 23Tokoname → Incheon0.0%0 of 8 flown late
28. 23Naha → Incheon0.0%0 of 7 flown late
29. 23Shanghai → Jeju0.0%0 of 7 flown late
30. 23Shenyang → Incheon0.0%0 of 6 flown late

Fewer flights

1. Phnom Penh → Incheon66.7%2 of 3 flown late, avg when late 50 min
2. Seattle → Incheon66.7%2 of 3 flown late, avg when late 93 min
3. Sydney → Incheon50.0%2 of 4 flown late, avg when late 71 min
4. Vancouver → Incheon50.0%2 of 4 flown late, avg when late 28 min
5. Da Nang → Busan Gimhae40.0%2 of 5 flown late, avg when late 21 min
6. Sapporo → Busan Gimhae33.3%1 of 3 flown late, avg when late 41 min
7. Istanbul → Incheon33.3%1 of 3 flown late, avg when late 24 min
8. London → Incheon33.3%1 of 3 flown late, avg when late 33 min
9. Atlanta → Incheon25.0%1 of 4 flown late, avg when late 28 min
10. Jakarta → Incheon25.0%1 of 4 flown late, avg when late 28 min
11. Chiang Mai → Incheon25.0%1 of 4 flown late, avg when late 97 min
12. Nha Trang → Busan Gimhae25.0%1 of 4 flown late, avg when late 88 min
13. Hangzhou → Incheon25.0%1 of 4 flown late, avg when late 22 min
14. Sepang → Incheon25.0%1 of 4 flown late, avg when late 31 min
15. Taichung → Incheon25.0%1 of 4 flown late, avg when late 19 min
16. Shanghai → Gimpo25.0%1 of 4 flown late, avg when late 16 min
17. Taoyuan → Jeju25.0%1 of 4 flown late, avg when late 60 min
18. Dalian → Incheon20.0%1 of 5 flown late, avg when late 23 min
19. Los Angeles → Incheon20.0%1 of 5 flown late, avg when late 23 min
20. Shanghai → Busan Gimhae20.0%1 of 5 flown late, avg when late 25 min
21. San Francisco → Incheon20.0%1 of 5 flown late, avg when late 21 min
22. Shenzhen → Incheon20.0%1 of 5 flown late, avg when late 79 min
23. Kobe → Incheon0.0%0 of 5 flown late
24. Yantai → Incheon0.0%0 of 5 flown late
25. Hangzhou → Jeju0.0%0 of 4 flown late
26. Incheon → Busan Gimhae0.0%0 of 4 flown late
27. New York → Incheon0.0%0 of 4 flown late
28. Osaka → Cheongju0.0%0 of 4 flown late
29. Kagoshima → Incheon0.0%0 of 4 flown late
30. Nanjing → Incheon0.0%0 of 4 flown late

16 more

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

Ranking routes with 6+ flights a day on average (36+ in this period)

1. 1Cheongju → Jeju35.5%60 of 169 flown late, avg when late 34 min
2. 2Daegu → Jeju26.0%25 of 96 flown late, avg when late 28 min
3. 3Jeju → Busan Gimhae21.5%35 of 163 flown late, avg when late 31 min
4. 4Gimpo → Jeju18.7%116 of 621 flown late, avg when late 31 mincancelled 2
5. 5Jeju → Gimpo17.8%110 of 617 flown late, avg when late 34 mincancelled 4
6. 6Jeju → Cheongju17.2%29 of 169 flown late, avg when late 37 min
7. 7Gimpo → Sacheon16.7%6 of 36 flown late, avg when late 30 min
8. 8Busan Gimhae → Jeju16.4%27 of 165 flown late, avg when late 28 min
9. 9Jeju → Daegu16.0%15 of 94 flown late, avg when late 26 min
10. 10Gwangju → Jeju15.8%15 of 95 flown late, avg when late 27 min
11. 11Jeju → Gwangju13.7%13 of 95 flown late, avg when late 26 min
12. 12Busan Gimhae → Gimpo3.9%5 of 128 flown late, avg when late 26 min
13. 12Gimpo → Busan Gimhae3.9%5 of 127 flown late, avg when late 26 min

Fewer flights

1. Jeju → Yeosu33.3%8 of 24 flown late, avg when late 34 min
2. Yeosu → Gimpo22.2%4 of 18 flown late, avg when late 36 min
3. Sacheon → Gimpo20.6%7 of 34 flown late, avg when late 34 min
4. Gimpo → Ulsan16.7%3 of 18 flown late, avg when late 33 min
5. Ulsan → Gimpo16.7%3 of 18 flown late, avg when late 28 min
6. Yeosu → Jeju8.3%2 of 24 flown late, avg when late 22 min
7. Busan Gimhae → Incheon0.0%0 of 30 flown late
8. Jeju → Ulsan0.0%0 of 18 flown late
9. Gimpo → Yeosu0.0%0 of 18 flown late

2026-11-04 to 2026-11-09, 4,456 flights flown, 2 cancelled

Ranking routes with 6+ flights a day on average (36+ in this period)

1. 1Phu Quoc Island → Incheon69.8%37 of 53 flown late, avg when late 41 min
2. 2Ho Chi Minh City → Incheon56.7%34 of 60 flown late, avg when late 46 min
3. 3Bangkok → Incheon55.0%44 of 80 flown late, avg when late 42 min
4. 4Manila → Incheon30.6%19 of 62 flown late, avg when late 45 min
5. 5Naha → Incheon24.4%10 of 41 flown late, avg when late 49 min
6. 6Sapporo → Incheon22.4%13 of 58 flown late, avg when late 31 mincancelled 1
7. 7Hanoi → Incheon22.2%14 of 63 flown late, avg when late 34 min
8. 8Hagåtña → Incheon21.1%8 of 38 flown late, avg when late 49 min
9. 9Nha Trang → Incheon17.3%9 of 52 flown late, avg when late 42 min
10. 10Singapore → Incheon15.4%10 of 65 flown late, avg when late 30 min
11. 11Narita → Incheon14.9%37 of 248 flown late, avg when late 29 min
12. 12Taoyuan → Busan Gimhae14.5%11 of 76 flown late, avg when late 29 min
13. 13Guangzhou → Incheon13.9%5 of 36 flown late, avg when late 30 min
14. 14Hong Kong → Incheon13.6%15 of 110 flown late, avg when late 31 min
15. 15Taoyuan → Incheon12.7%9 of 71 flown late, avg when late 22 min
16. 16Shanghai → Incheon11.5%11 of 96 flown late, avg when late 32 min
17. 17Osaka → Incheon9.8%23 of 234 flown late, avg when late 43 min
18. 18Tokoname → Incheon9.4%5 of 53 flown late, avg when late 69 min
19. 19Da Nang → Incheon9.1%5 of 55 flown late, avg when late 66 min
20. 20Narita → Busan Gimhae7.0%3 of 43 flown late, avg when late 71 min
21. 21Qingdao → Incheon6.4%6 of 94 flown late, avg when late 23 min
22. 22Osaka → Busan Gimhae6.0%4 of 67 flown late, avg when late 28 min
23. 23Fukuoka → Incheon5.8%8 of 137 flown late, avg when late 30 min
24. 24Beijing → Incheon5.6%3 of 54 flown late, avg when late 21 min
25. 25Shanghai → Jeju4.3%2 of 46 flown late, avg when late 24 min
26. 26Fukuoka → Busan Gimhae1.5%1 of 68 flown late, avg when late 67 min
27. 27Tokyo → Gimpo1.4%1 of 70 flown late, avg when late 16 min
28. 28Osaka → Gimpo0.0%0 of 60 flown late
29. 28Shenyang → Incheon0.0%0 of 36 flown late

Fewer flights

1. Sepang → Incheon53.6%15 of 28 flown late, avg when late 73 min
2. Da Nang → Busan Gimhae33.3%10 of 30 flown late, avg when late 43 min
3. Seattle → Incheon33.3%7 of 21 flown late, avg when late 46 min
4. Hong Kong → Jeju33.3%6 of 18 flown late, avg when late 27 min
5. Nha Trang → Busan Gimhae30.0%6 of 20 flown late, avg when late 34 min
6. Sydney → Incheon29.2%7 of 24 flown late, avg when late 39 min
7. Los Angeles → Incheon28.1%9 of 32 flown late, avg when late 33 min
8. Shenzhen → Incheon26.7%8 of 30 flown late, avg when late 26 min
9. New York → Incheon26.1%6 of 23 flown late, avg when late 38 min
10. Hangzhou → Incheon23.8%5 of 21 flown late, avg when late 21 min
11. Xi'an → Incheon22.7%5 of 22 flown late, avg when late 34 min
12. London → Incheon22.2%4 of 18 flown late, avg when late 24 min
13. San Francisco → Incheon21.4%6 of 28 flown late, avg when late 43 min
14. Vancouver → Incheon19.0%4 of 21 flown late, avg when late 38 min
15. Jakarta → Incheon18.2%4 of 22 flown late, avg when late 35 min
16. Chiang Mai → Incheon17.4%4 of 23 flown late, avg when late 49 min
17. Yantai → Incheon16.7%5 of 30 flown late, avg when late 47 min
18. Yanji → Incheon15.2%5 of 33 flown late, avg when late 103 min
19. Dalian → Incheon13.3%4 of 30 flown late, avg when late 30 min
20. Nossa Senhora do Carmo → Incheon13.0%3 of 23 flown late, avg when late 69 min
21. Taichung → Incheon12.5%3 of 24 flown late, avg when late 27 min
22. Shanghai → Gimpo12.5%3 of 24 flown late, avg when late 19 min
23. Mabalacat → Incheon11.1%2 of 18 flown late, avg when late 25 min
24. Hong Kong → Busan Gimhae10.0%2 of 20 flown late, avg when late 21 min
25. Atlanta → Incheon8.3%2 of 24 flown late, avg when late 25 min
26. Taoyuan → Jeju8.3%2 of 24 flown late, avg when late 79 min
27. Tianjin → Incheon8.3%2 of 24 flown late, avg when late 25 min
28. Shanghai → Busan Gimhae6.7%2 of 30 flown late, avg when late 39 min
29. Kobe → Incheon6.7%2 of 30 flown late, avg when late 25 min
30. Tokyo → Incheon5.6%1 of 18 flown late, avg when late 17 min

10 more