Chennai Metro Train Timings from Monday to Saturday:
| First train Time | Last train Time | Non peak Hour Frequency 0500-0800 Hrs; 1100-1700Hrs & 2000-2200Hrs | Nonpeak Hour Frequency 2200-2300Hrs | Peak Hour Frequency 0800-1100Hrs & 1700-2000Hrs |
| From Airport:- 05:01Hrs to Wimco Nagar | From Airport:- 23:01Hrs to Wimco Nagar | Every 9 mins | Every 15 mins | Every 6 mins |
| From Wimco Nagar Depot:- 04:59Hrs to Airport | From Wimco Nagar Depot:- 23:02Hrs to Airport | Every 9 mins | Every 15 mins | Every 6 mins |
| From Chennai Central:- 04:56Hrs to Airport | From Chennai Central:- 23:20Hrs to Airport | Every 18 mins | Every 30 mins | Every 12 mins |
| From Airport:- 05:05Hrs to Chennai Central | From Airport:- 23:05Hrs to Chennai Central | Every 18 mins | Every 30 mins | Every 12 mins |
| From Chennai Central:- 05:05Hrs to St. Thomas Mount | From Chennai Central:- 23:04Hrs to St. Thomas Mount | Every 18 mins | Every 30 mins | Every 12 mins |
| From St. Thomas Mount:- 05:01Hrs to Chennai Central | From St. Thomas Mount:- 22:55Hrs to Chennai Central | Every 18 mins | Every 30 mins | Every 12 mins |
Chennai Metro Train Timings on Sundays:
| First train Time | Last train Time | Non peak Hour Frequency 0500-2200 Hrs | Non peak Hour Frequency 2200-2300 Hrs |
| From Airport:- 05:00Hrs to Wimco Nagar | From Airport:- 23:05Hrs to Wimco Nagar | Every 10 mins | Every 15 mins |
| From Wimco Nagar Depot:- 05:00Hrs to Airport | From Wimco Nagar Depot:- 23:05Hrs to Airport | Every 10 mins | Every 15 mins |
| From Chennai Central:- 05:10Hrs to Airport | From Chennai Central:- 23:00Hrs to Airport | Every 20 mins | Every 30 mins |
| From Airport:- 05:05Hrs to Chennai Central | From Airport:- 22:45Hrs to Chennai Central | Every 20 mins | Every 30 mins |
| From Chennai Central:- 05:00Hrs to St. Thomas Mount | From Chennai Central:- 23:15Hrs to St. Thomas Mount | Every 20 mins | Every 30 mins |
| From St. Thomas Mount:- 05:00Hrs to Chennai Central | From St. Thomas Mount:- 23:10Hrs to Chennai Central | Every 20 mins | Every 30 mins |
Corridor-1 (Blue line):
This line falls between Chennai Airport to Wimco Nagar Depot via Wimco Nagar, Washermenpet, Central, AGDMS and Alandur.
Inter-Corridor:
This route lies between Chennai Central to Airport via Egmore, CMBT and Alandur.
Corridor-2(Green line):
This line covers from Chennai Central to St. Thomas Mount via Egmore, CMBT and Alandur.