Seoul Subway on-time report, 2026-09-29
How punctual the Seoul Subway was on 2026-09-29: on-time rate by line, the least punctual line, and delays by hour.
Summary of the day
On 2026-09-29, of 193,785 Seoul Subway arrivals matched to the timetable, 90.0% came within 5 minutes.
The least punctual line was Gyeongui–Jungang Line (65.4% on time).
On-time rate by line
| Line | On time |
|---|---|
| Gyeongui–Jungang Line | 65.4% |
| Gyeongchun Line | 69.5% |
| Seohae Line | 73.4% |
| Line 2 | 75.9% |
| AREX Airport Railroad | 82.9% |
| Line 4 | 83.7% |
| Line 1 | 87.6% |
| Suin–Bundang Line | 89.4% |
| Gyeonggang Line | 90.6% |
| Line 3 | 96.6% |
| Line 7 | 97.4% |
| Ui–Sinseol Line | 97.5% |
| Line 5 | 98.2% |
| GTX-A | 98.7% |
| Line 6 | 100.0% |
| Line 8 | 100.0% |
| Line 9 | 100.0% |
| Sinbundang Line | 100.0% |
| Sillim Line | 100.0% |
Compiled from real-time train position data published by Seoul Open Data Plaza.