Seoul Subway on-time report, 2026-08-28
How punctual the Seoul Subway was on 2026-08-28: on-time rate by line, the least punctual line, and delays by hour.
Summary of the day
On 2026-08-28, of 193,568 Seoul Subway arrivals matched to the timetable, 89.3% came within 5 minutes.
The least punctual line was Gyeongchun Line (48.6% on time).
On-time rate by line
| Line | On time |
|---|---|
| Gyeongchun Line | 48.6% |
| Seohae Line | 65.2% |
| Gyeongui–Jungang Line | 68.3% |
| AREX Airport Railroad | 80.3% |
| Line 2 | 82.1% |
| Line 4 | 84.0% |
| Line 9 | 86.1% |
| Suin–Bundang Line | 88.3% |
| Line 1 | 88.9% |
| Gyeonggang Line | 89.3% |
| GTX-A | 92.5% |
| Line 3 | 93.3% |
| Line 5 | 97.8% |
| Line 7 | 98.4% |
| Line 6 | 99.2% |
| Line 8 | 99.5% |
| Sillim Line | 99.7% |
| Sinbundang Line | 100.0% |
| Ui–Sinseol Line | 100.0% |
Compiled from real-time train position data published by Seoul Open Data Plaza.