SriLankan Airlines will add a four times weekly service between Delhi and Colombo from July 15. This is in addition to the daily weekly service that departs from Delhi at 1845 and arrives in Colombo at 2220. 

New Service

Flight No.

From

To

Departure

Arrival

Days of Operation

UL 198

New Delhi

Colombo

0510

0845

Mon, Tue, Thu, Sat

UL 197

Colombo

New Delhi

0035

0410

Mon, Tue, Thu, Sat

These new morning flights between the destinations will also allow passengers convenient connections to destinations such as Bangkok, Beijing, Shanghai, Singapore and the Maldives. 

srilankan.com