Indian Railways Route Guide · Updated 2026-06-06

Delhi to Chennai Train

Quick Answer

The fastest Delhi to Chennai train is the Chennai Rajdhani Express (12433) — approximately 26–28 hours, daily from H. Nizamuddin (NZM). Tamil Nadu Express (12621) departs daily from New Delhi (NDLS) and takes ~33 hours. Distance: 2,175 km. Sleeper fare from ₹950, 3AC from ₹2,640. All three major trains arrive at Chennai Central (MAS).

2175 km 26–28 hours Sleeper from ₹950 3AC from ₹2,640 2AC from ₹3,790

Popular Delhi to Chennai Train Trains

More trains run on this route. See all trains with live seat availability →

Delhi to Chennai Train — Distance, Duration & Fares

DetailInfo
Rail Distance~2175 km
Journey Duration26–28 hours
Sleeper Class (SL)From ₹950 approx.
3 Tier AC (3AC / 3A)From ₹2,640 approx.
2 Tier AC (2AC / 2A)From ₹3,790 approx.
Advance Booking Opens120 days before journey at 8:00 AM IST
Tatkal Booking Opens1 day before — AC at 10:00 AM, Non-AC at 11:00 AM IST

* Fares are approximate base fares. Actual fares vary by train, quota, and season. Check live fares on IRCTC before booking.

How to Book Delhi to Chennai Train Ticket

  1. Check seat availability first — use PNR Alert route search to see which trains have confirmed seats on your travel date and class.
  2. Choose train and class — Rajdhani is fastest, AC-only. For Sleeper class, choose Express or Superfast trains. Compare departure times, days, and classes.
  3. Book on IRCTC — go to irctc.co.in or IRCTC Rail Connect app. Log in, select train/class/quota, and pay. Book up to 120 days in advance at 8:00 AM.
  4. Note your PNR number — your 10-digit PNR appears in the IRCTC booking confirmation email and SMS. Enter it on PNR Alert to track status and get WhatsApp alerts.

Booking Tips

Tamil Nadu Express (12621) departs from New Delhi (NDLS), not NZM. Chennai Rajdhani (12433) departs from NZM — confirm departure station from your ticket.
Delhi–Chennai is one of India's highest-demand train corridors. Book at 8:00 AM IST when the 120-day window opens.
November–January is peak travel season for this route — tourism, temple visits, and family travel. Book very early.
For a 26–33 hour journey, 3AC is strongly recommended over Sleeper for overnight comfort.
Rajdhani is faster but AC-only. Tamil Nadu Express is slower but has Sleeper for budget travellers.

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Fastest Train: Chennai Rajdhani Express (12433)

The Chennai Rajdhani Express (12433) is the fastest Delhi–Chennai train — running daily from H. Nizamuddin (NZM) to Chennai Central (MAS) in approximately 26–28 hours, covering 2,175 km. It departs NZM in the afternoon and arrives at MAS the next evening. AC-only classes (3AC, 2AC, 1AC) with meals included. Despite being faster, Rajdhani only covers 2 days in travel — ideal when time is more important than cost.


Popular Daily Option: Tamil Nadu Express (12621)

The Tamil Nadu Express (12621) is one of India's most iconic long-distance trains — running daily from New Delhi (NDLS) to Chennai Central (MAS) in approximately 33 hours. Unlike Rajdhani, Tamil Nadu Express has Sleeper class making it the most popular budget option. Note: Tamil Nadu Express departs from New Delhi (NDLS), while Rajdhani departs from H. Nizamuddin (NZM) — these are different stations.


Chennai Duronto Express (12269)

The Chennai Duronto Express (12269) runs on Friday and Sunday from H. Nizamuddin (NZM) to Chennai Central (MAS). As a Duronto (minimal halts), it is slightly faster than Tamil Nadu Express but runs only twice a week. It has Sleeper, 3AC, and 2AC classes without meals included. The Duronto is a good middle-ground between Rajdhani's speed and Tamil Nadu Express's affordability.


Stations: Departure in Delhi and Arrival in Chennai

Important distinction: Tamil Nadu Express (12621) departs from New Delhi (NDLS), while Chennai Rajdhani (12433) and Chennai Duronto (12269) depart from H. Nizamuddin (NZM). In Chennai, all three major trains arrive at Chennai Central (MAS) — the primary railway station in the city. Do not confuse Chennai Central (MAS) with Chennai Egmore (MS), which serves mainly South Tamil Nadu destinations.

Frequently Asked Questions — Delhi to Chennai Train

The Chennai Rajdhani Express (12433) is the fastest — departing H. Nizamuddin (NZM) daily and arriving Chennai Central (MAS) in approximately 26–28 hours. Tamil Nadu Express (12621) is a daily alternative taking about 33 hours from New Delhi (NDLS).
Chennai Rajdhani: 26–28 hours. Tamil Nadu Express: ~33 hours. Chennai Duronto: ~30 hours on Fri/Sun. The rail distance is 2,175 km — this is among India's longer distance train routes.
Tamil Nadu Express (12621) departs from New Delhi (NDLS). Chennai Rajdhani (12433) and Chennai Duronto (12269) depart from H. Nizamuddin (NZM). These are different stations — always confirm from your IRCTC booking ticket.
All major Delhi–Chennai trains — Rajdhani, Tamil Nadu Express, and Duronto — arrive at Chennai Central (MAS), the main railway station in Chennai. Chennai Egmore (MS) serves different routes (Rameswaram, Tiruchirapalli, etc.) — do not confuse the two stations.
As of 2026, Vande Bharat Express does not cover the full Delhi–Chennai distance. The Chennai Rajdhani remains the fastest option. Indian Railways continues to expand Vande Bharat routes — check for announcements.
Tamil Nadu Express and Chennai Duronto: Sleeper (SL), 3AC, and 2AC. Chennai Rajdhani: 3AC, 2AC, and 1AC with meals — no Sleeper class. For a 26–33 hour journey, 3AC is strongly recommended for sleeping comfort.
Enter your 10-digit PNR on pnralert.in/pnr-status without login. Subscribe for free WhatsApp alerts to get automatically notified when your ticket status changes or chart preparation happens.
Book exactly at 8:00 AM IST on the day the 120-day window opens. Delhi–Chennai has very high demand — Rajdhani especially sells out fast. Use Tatkal (AC at 10 AM, non-AC at 11 AM, 1 day before) for last-minute confirmed bookings.

Railway Guides for This Journey

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