As per your request here I am providing you the lists of flights available from Delhi to Varanasi along with their timings. Please check the below details:

Flights list:

8:35 AM → 10:15 AM SpiceJet 2173
9:00 AM → 10:20 AM IndiGo 308
10:15 AM → 11:40 AM Jet Airways 2423
10:15 AM → 11:45 AM Air India 406
10:45 AM → 12:10 PM Jet Airways 2423
1:05 PM → 2:25 PM Vistara 990
1:10 PM → 2:30 PM IndiGo 714
3:50 PM → 5:15 PM SpiceJet 279
4:20 PM → 5:40 PM IndiGo 176
4:45 PM → 6:10 PM Jet Airways 745
5:35 PM → 7:00 PM Jet Airways 745

List of airlines available:

IndiGo Airlines
Jet Airways
Air India
GoAir
Jet Konnect
JetLite
SpiceJet Airlines
Air Asia
Vistara

Airport details:

Delhi - Indira Gandhi International Airport

Airport Name : Indira Gandhi International Airport
Domestic/International : International
Airport Address : New Delhi, Delhi 110037
Airport code : DEL
Flight Information : 91 124 3376000, 91 124 4797300
Email : feedback.igiairport@gmrgroup.in

Varanasi - Lal Bahadur Shastri Airport

Airport Name : Lal Bahadur Shastri Airport
Domestic/International : International
Airport Address : Airport Road, Babatpur, Varanasi,Uttar Pradesh 221006
Airport code : VNS
Airport Telephone : 91-542-2622155
Flight Information : 91-542-2623060
Fax number : 91-542-2622320
Email : apdvns@aai.aero