Seoul Subway on-time report, 2026-08-30
How punctual the Seoul Subway was on 2026-08-30: on-time rate by line, the least punctual line, and delays by hour.
Summary of the day
On 2026-08-30, of 162,689 Seoul Subway arrivals matched to the timetable, 92.8% came within 5 minutes.
The least punctual line was Seohae Line (68.3% on time).
On-time rate by line
| Line | On time |
|---|---|
| Seohae Line | 68.3% |
| Gyeongui–Jungang Line | 78.8% |
| Gyeongchun Line | 79.8% |
| Suin–Bundang Line | 81.6% |
| AREX Airport Railroad | 81.7% |
| Line 9 | 83.1% |
| Gyeonggang Line | 90.3% |
| Line 1 | 90.4% |
| GTX-A | 91.8% |
| Line 3 | 95.6% |
| Line 5 | 96.8% |
| Sillim Line | 97.0% |
| Line 4 | 97.1% |
| Line 6 | 99.0% |
| Line 2 | 99.5% |
| Line 8 | 99.5% |
| Line 7 | 99.7% |
| Ui–Sinseol Line | 100.0% |
Compiled from real-time train position data published by Seoul Open Data Plaza.