United Airlines is expanding its codeshare agreement with Indian carrier Vistara to cover 68 flights to 26 destinations connecting with United's service to New Delhi and Mumbai. Destinations covered by the codesharing, which begins Feb. 28, include Ahmedabad, Bangalore, Chandigarh, Goa, Hyderabad, Jodhpur, Srinagar, Thiruvananthapuram, Udaipur and Varanasi. United last year announced codesharing on more than 20 Vistara flights along with reciprocal frequent-flyer benefits.