Seoul Subway on-time report, 2026-09-28
How punctual the Seoul Subway was on 2026-09-28: on-time rate by line, the least punctual line, and delays by hour.
Summary of the day
On 2026-09-28, of 192,498 Seoul Subway arrivals matched to the timetable, 92.9% came within 5 minutes.
The least punctual line was Gyeongui–Jungang Line (67.6% on time).
On-time rate by line
| Line | On time |
|---|---|
| Gyeongui–Jungang Line | 67.6% |
| Gyeongchun Line | 71.0% |
| Seohae Line | 73.1% |
| AREX Airport Railroad | 83.0% |
| Line 2 | 88.5% |
| Line 1 | 88.9% |
| Line 4 | 90.4% |
| Gyeonggang Line | 91.0% |
| Suin–Bundang Line | 92.2% |
| Sinbundang Line | 97.1% |
| Line 3 | 97.6% |
| GTX-A | 97.8% |
| Line 7 | 99.3% |
| Line 5 | 99.9% |
| Line 6 | 100.0% |
| Line 8 | 100.0% |
| Line 9 | 100.0% |
| Ui–Sinseol Line | 100.0% |
| Sillim Line | 100.0% |
Compiled from real-time train position data published by Seoul Open Data Plaza.