Last Updated: 6th January, 2026
Train #21 - Schedule & Timetable
Complete Thailand Railway schedule for Special Exp. number 21 traveling from Bangkok (Krung Thep Aphiwat) to Ubon Ratchathani. Find departure times, arrival times, stop durations, and detailed route information for all stations.
This special exp. service connects Bangkok (Krung Thep Aphiwat) and Ubon Ratchathani with 18 convenient stops along the way. Check the timetable below for exact timings and plan your journey with Thailand's reliable train network.
(Train #21)
Special Exp.
From
Bangkok (Krung Thep Aphiwat)
To
Ubon Ratchathani
Schedule
| Station | Arrival | Departure |
|---|---|---|
| Bangkok (Krung Thep Aphiwat) | 05:50 | 06:10 |
| Don Mueang | 06:25 | 06:27 |
| Rangsit | 06:36 | 06:37 |
| Ayutthaya | 06:58 | 06:59 |
| Saraburi | 07:33 | 07:34 |
| Kaeng Khoi Junction | 07:44 | 07:45 |
| Pak Chong | 08:43 | 08:44 |
| Nakhon Ratchasima | 10:01 | 10:11 |
| Thanon Chira Junction | 10:17 | 10:18 |
| Lam Plai Mat | 11:13 | 11:14 |
| Buri Ram | 11:34 | 11:37 |
| Krasang | 11:53 | 11:54 |
| Surin | 12:09 | 12:11 |
| Sikhoraphum | 12:32 | 12:33 |
| Uthumphon Phisai | 13:01 | 13:02 |
| Si Sa Ket | 13:18 | 13:20 |
| Kanthararom | 13:38 | 13:39 |
| Ubon Ratchathani | 14:00 | - |
Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Journey Details
Departure: Train #21 (Special Exp.) departs from Bangkok (Krung Thep Aphiwat) at 06:10.
• Stops at Don Mueang, arriving at 06:25 and departing at 06:27.
• Stops at Rangsit, arriving at 06:36 and departing at 06:37.
• Stops at Ayutthaya, arriving at 06:58 and departing at 06:59.
• Stops at Saraburi, arriving at 07:33 and departing at 07:34.
• Stops at Kaeng Khoi Junction, arriving at 07:44 and departing at 07:45.
• Stops at Pak Chong, arriving at 08:43 and departing at 08:44.
• Stops at Nakhon Ratchasima, arriving at 10:01 and departing at 10:11.
• Stops at Thanon Chira Junction, arriving at 10:17 and departing at 10:18.
• Stops at Lam Plai Mat, arriving at 11:13 and departing at 11:14.
• Stops at Buri Ram, arriving at 11:34 and departing at 11:37.
• Stops at Krasang, arriving at 11:53 and departing at 11:54.
• Stops at Surin, arriving at 12:09 and departing at 12:11.
• Stops at Sikhoraphum, arriving at 12:32 and departing at 12:33.
• Stops at Uthumphon Phisai, arriving at 13:01 and departing at 13:02.
• Stops at Si Sa Ket, arriving at 13:18 and departing at 13:20.
• Stops at Kanthararom, arriving at 13:38 and departing at 13:39.
Arrival: The train arrives at its destination, Ubon Ratchathani, at 14:00.
Note: This train operates daily. Please verify the schedule before your journey as timings may vary.