KTX 77 · Seoul → Busan

Seoul 21:28 → Busan 00:05 (+1 day) · 7 stops · Data for 30 runs from 9 Oct – 7 Nov 2026

85% of stops within 5 min · 22 of 30 days on time at Busan · +7 min typical delay when late

Delay at every stop in the past 30 days

Delay in minutes · scheduled arrival times
21:28Seoul5 min
21:45Gwangmyeong
22:14Osong
22:33Daejeon
23:17Dongdaegu
23:42Ulsan (Tongdosa)
00:05+1Busan
Within 5 minMore than 5 min lateOne dot per recorded day
Reported delays by day and stop
DateGwangmyeongOsongDaejeonDongdaeguUlsan (Tongdosa)Busan
2026-10-090 min+5 min+4 min+2 min+4 min+4 min
2026-10-100 min+3 min+3 min+2 min+3 min+3 min
2026-10-110 min+4 min+3 min+2 min+3 min+3 min
2026-10-120 min+6 min+6 min+5 min+7 min+6 min
2026-10-130 min+3 min+2 min+1 min+4 min+4 min
2026-10-140 min+4 min+3 min+2 min+3 min+3 min
2026-10-150 min+3 min+1 min0 min+2 min+3 min
2026-10-160 min+3 min+2 min0 min+1 min+1 min
2026-10-170 min+3 min+2 min0 min+2 min+2 min
2026-10-180 min+3 min+2 min+1 min+3 min+4 min
2026-10-190 min+3 min+2 min0 min+3 min+2 min
2026-10-200 min+5 min+5 min+5 min+7 min+9 min
2026-10-210 min+3 min+1 min0 min+3 min+3 min
2026-10-220 min+4 min+2 min0 min+3 min+2 min
2026-10-230 min+7 min+6 min+3 min+8 min+8 min
2026-10-24+1 min+11 min+10 min+8 min+14 min+15 min
2026-10-250 min+7 min+5 min+3 min+8 min+8 min
2026-10-260 min+4 min+3 min+1 min+2 min+1 min
2026-10-270 min+3 min+1 min0 min+2 min+1 min
2026-10-280 min+3 min+2 min+2 min+4 min+4 min
2026-10-29+1 min+5 min+3 min0 min+6 min+5 min
2026-10-300 min+6 min+4 min+1 min+5 min+7 min
2026-10-31+1 min+5 min+4 min+3 min+7 min+8 min
2026-11-010 min+6 min+6 min+5 min+7 min+7 min
2026-11-020 min+5 min+3 min0 min+2 min+1 min
2026-11-030 min+3 min+3 min+1 min+4 min+5 min
2026-11-040 min+3 min+2 min+1 min+2 min+1 min
2026-11-050 min+3 min+2 min0 min+2 min+2 min
2026-11-060 min+3 min+1 min-1 min+2 min+2 min
2026-11-07+1 min+3 min+2 min+1 min+3 min+3 min

Day by day

Final-stop delay at Busan
Final-stop delay by day
DateFinal stop
2026-10-09Final stop: +4 min
2026-10-10Final stop: +3 min
2026-10-11Final stop: +3 min
2026-10-12Final stop: +6 min
2026-10-13Final stop: +4 min
2026-10-14Final stop: +3 min
2026-10-15Final stop: +3 min
2026-10-16Final stop: +1 min
2026-10-17Final stop: +2 min
2026-10-18Final stop: +4 min
2026-10-19Final stop: +2 min
2026-10-20Final stop: +9 min
2026-10-21Final stop: +3 min
2026-10-22Final stop: +2 min
2026-10-23Final stop: +8 min
2026-10-24Final stop: +15 min
2026-10-25Final stop: +8 min
2026-10-26Final stop: +1 min
2026-10-27Final stop: +1 min
2026-10-28Final stop: +4 min
2026-10-29Final stop: +5 min
2026-10-30Final stop: +7 min
2026-10-31Final stop: +8 min
2026-11-01Final stop: +7 min
2026-11-02Final stop: +1 min
2026-11-03Final stop: +5 min
2026-11-04Final stop: +1 min
2026-11-05Final stop: +2 min
2026-11-06Final stop: +2 min
2026-11-07Final stop: +3 min
9 Oct7 Nov
Within 5 min6–1011–2021–30Over 30Unavailable or missing