---
title: "Scheduled Train 21"
title_ko: "열차 21"
description: "Train 21 service information, source-weekday operating status and complete stop-by-stop timetables, effective September 1, 2026."
canonical_path: "/transport/rail/trains/21/"
parent_path: "/transport/rail/"
document_type: "railway-scheduled-train"
language: "en"
publication_status: "draft"
generated: true
current_timetable_effective_date: "2026-09-01"
service_family: "ktx"
generator_version: "railway-publication-v0.1"
train_no: "21"
---

# Scheduled Train 21

Service family: KTX (KTX).

Services in this weekly timetable: KTX-Chungyong (KTX-청룡).

Timetable effective September 1, 2026.

Times follow the timetable's clock notation, including values such as 0:05 after midnight. The source operating weekday and stop order are preserved.

Published time reproduces the timetable entry. Arrival and Departure are shown only where those roles are explicitly recorded. A blank cell means that no separate value is provided.

## Train 21 weekly operation — effective September 1, 2026

| Source timetable weekday | Status | Service | Origin | Origin departure | Destination | Destination arrival | Stop occurrences | Timetable |
| --- | --- | --- | --- | --- | --- | --- | ---: | --- |
| Monday (MON) | Operates | KTX-Chungyong (KTX-청룡) | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 5 | [Monday timetable](/transport/rail/trains/21/#mon) |
| Tuesday (TUE) | Operates | KTX-Chungyong (KTX-청룡) | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 5 | [Tuesday timetable](/transport/rail/trains/21/#tue) |
| Wednesday (WED) | Operates | KTX-Chungyong (KTX-청룡) | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 5 | [Wednesday timetable](/transport/rail/trains/21/#wed) |
| Thursday (THU) | Operates | KTX-Chungyong (KTX-청룡) | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 5 | [Thursday timetable](/transport/rail/trains/21/#thu) |
| Friday (FRI) | Operates | KTX-Chungyong (KTX-청룡) | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 5 | [Friday timetable](/transport/rail/trains/21/#fri) |
| Saturday (SAT) | Operates | KTX-Chungyong (KTX-청룡) | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 5 | [Saturday timetable](/transport/rail/trains/21/#sat) |
| Sunday (SUN) | Operates | KTX-Chungyong (KTX-청룡) | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 5 | [Sunday timetable](/transport/rail/trains/21/#sun) |

<a id="mon"></a>

## Train 21 — Monday (MON), effective September 1, 2026

Operates.

| Stop position | Station | Published time | Arrival | Departure |
| ---: | --- | --- | --- | --- |
| 1 | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 |  | 8:30 |
| 2 | [Seoul Station (서울역)](/transport/rail/stations/seoul/) | 8:58 |  |  |
| 3 | [Daejeon Station (대전역)](/transport/rail/stations/daejeon/) | 9:52 |  |  |
| 4 | [Dongdaegu Station (동대구역)](/transport/rail/stations/dongdaegu/) | 10:36 |  |  |
| 5 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 11:16 |  |

<a id="tue"></a>

## Train 21 — Tuesday (TUE), effective September 1, 2026

Operates.

| Stop position | Station | Published time | Arrival | Departure |
| ---: | --- | --- | --- | --- |
| 1 | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 |  | 8:30 |
| 2 | [Seoul Station (서울역)](/transport/rail/stations/seoul/) | 8:58 |  |  |
| 3 | [Daejeon Station (대전역)](/transport/rail/stations/daejeon/) | 9:52 |  |  |
| 4 | [Dongdaegu Station (동대구역)](/transport/rail/stations/dongdaegu/) | 10:36 |  |  |
| 5 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 11:16 |  |

<a id="wed"></a>

## Train 21 — Wednesday (WED), effective September 1, 2026

Operates.

| Stop position | Station | Published time | Arrival | Departure |
| ---: | --- | --- | --- | --- |
| 1 | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 |  | 8:30 |
| 2 | [Seoul Station (서울역)](/transport/rail/stations/seoul/) | 8:58 |  |  |
| 3 | [Daejeon Station (대전역)](/transport/rail/stations/daejeon/) | 9:52 |  |  |
| 4 | [Dongdaegu Station (동대구역)](/transport/rail/stations/dongdaegu/) | 10:36 |  |  |
| 5 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 11:16 |  |

<a id="thu"></a>

## Train 21 — Thursday (THU), effective September 1, 2026

Operates.

| Stop position | Station | Published time | Arrival | Departure |
| ---: | --- | --- | --- | --- |
| 1 | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 |  | 8:30 |
| 2 | [Seoul Station (서울역)](/transport/rail/stations/seoul/) | 8:58 |  |  |
| 3 | [Daejeon Station (대전역)](/transport/rail/stations/daejeon/) | 9:52 |  |  |
| 4 | [Dongdaegu Station (동대구역)](/transport/rail/stations/dongdaegu/) | 10:36 |  |  |
| 5 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 11:16 |  |

<a id="fri"></a>

## Train 21 — Friday (FRI), effective September 1, 2026

Operates.

| Stop position | Station | Published time | Arrival | Departure |
| ---: | --- | --- | --- | --- |
| 1 | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 |  | 8:30 |
| 2 | [Seoul Station (서울역)](/transport/rail/stations/seoul/) | 8:58 |  |  |
| 3 | [Daejeon Station (대전역)](/transport/rail/stations/daejeon/) | 9:52 |  |  |
| 4 | [Dongdaegu Station (동대구역)](/transport/rail/stations/dongdaegu/) | 10:36 |  |  |
| 5 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 11:16 |  |

<a id="sat"></a>

## Train 21 — Saturday (SAT), effective September 1, 2026

Operates.

| Stop position | Station | Published time | Arrival | Departure |
| ---: | --- | --- | --- | --- |
| 1 | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 |  | 8:30 |
| 2 | [Seoul Station (서울역)](/transport/rail/stations/seoul/) | 8:58 |  |  |
| 3 | [Daejeon Station (대전역)](/transport/rail/stations/daejeon/) | 9:52 |  |  |
| 4 | [Dongdaegu Station (동대구역)](/transport/rail/stations/dongdaegu/) | 10:36 |  |  |
| 5 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 11:16 |  |

<a id="sun"></a>

## Train 21 — Sunday (SUN), effective September 1, 2026

Operates.

| Stop position | Station | Published time | Arrival | Departure |
| ---: | --- | --- | --- | --- |
| 1 | [Haengsin Station (행신역)](/transport/rail/stations/haengsin/) | 8:30 |  | 8:30 |
| 2 | [Seoul Station (서울역)](/transport/rail/stations/seoul/) | 8:58 |  |  |
| 3 | [Daejeon Station (대전역)](/transport/rail/stations/daejeon/) | 9:52 |  |  |
| 4 | [Dongdaegu Station (동대구역)](/transport/rail/stations/dongdaegu/) | 10:36 |  |  |
| 5 | [Busan Station (부산역)](/transport/rail/stations/busan/) | 11:16 | 11:16 |  |

## Related Lines and timetables

- [KTX Gyeongbu Line](/transport/rail/ktx/lines/gyeongbu/)
- [KTX Gyeongbu Line — Monday timetable](/transport/rail/ktx/lines/gyeongbu/timetables/monday/)
- [KTX Gyeongbu Line — Tuesday timetable](/transport/rail/ktx/lines/gyeongbu/timetables/tuesday/)
- [KTX Gyeongbu Line — Wednesday timetable](/transport/rail/ktx/lines/gyeongbu/timetables/wednesday/)
- [KTX Gyeongbu Line — Thursday timetable](/transport/rail/ktx/lines/gyeongbu/timetables/thursday/)
- [KTX Gyeongbu Line — Friday timetable](/transport/rail/ktx/lines/gyeongbu/timetables/friday/)
- [KTX Gyeongbu Line — Saturday timetable](/transport/rail/ktx/lines/gyeongbu/timetables/saturday/)
- [KTX Gyeongbu Line — Sunday timetable](/transport/rail/ktx/lines/gyeongbu/timetables/sunday/)
- [Railways in South Korea](/transport/rail/)

## Sources

- [KTX 시간표(2026. 9. 1. 기준).xlsx](https://www.korail.com/ticket/reserve/train-timeTable) — effective 2026-09-01. Scheduled service information, source operating-day labels, endpoints, ordered stop occurrences, and recorded times. Station English names verified against this timetable.
- [KTX-Chungyong](https://info.korail.com/infoeng/contents.do?key=2810) — reviewed 2026-09-05. Service display name.

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