Station	Arr	Dep	Halt	Dist.	Day	PF
1	Nagarcoil Jn	First	17.05	0	0	1 F	3
2	Tirunelveli	18.15	18.20	5	74	1	2
3	Satur	19.43	19.45	2	160	1	1
4	Virudunagar Jn	20.15	20.17	2	187	1	1
5	Madurai Jn	21.10	21.15	5	230	1	1
6	Dindigul Jn (PQ)	22.10	22.12	2	296	1	1
7	Tiruchchirappalli Jn	23.40	23.45	5	391	1	1
8	Vriddhachalam Jn	01.25	01.27	2	514	2	4
9	Villupuram Jn	02.25	02.30	5	568	2	2
10	Melmaruvathur	03.25	03.26	1	636	2
11	Chengalpattu Jn	04.08	04.10	2	671	2	5
12	Chennai Egmore	05.30	Last	0	727	2	4

Coach Composition

	En	0
	GS	1
	UR	2
	UR	3
A1	2A	4
B1	3A	5
B2	3A	6
B3	3A	7
B4	3A	8
B5	3A	9
S1	SL	10
S2	SL	11
S3	SL	12
S4	SL	13
S5	SL	14
S6	SL	15
S7	SL	16
S8	SL	17
S9	SL	18
S10	SL	19
S11	SL	20
S12	SL	21
	UR	22
	UR	23
	GS	24

12668 CHENNAI EXP, Nagarcoil Jn to Chennai Egmore runs F, has classes 2A 3A SL GN. Pantry is not available. Fare does not include food cost. Total travel time of the train is 12 hr, 25 min. Average speed is 59 km/hr. Advance reservation period (ARP) is 120 days. The train is owned by Southern Railway (SR). Its rake is shared with 12667, 12668, 16125, 16126. Superfast fare is applicable. It is a Super Fast train. It is a Broad Gauge train.