Delta Air Lines and Hawaiian Airlines Sign Codeshare Agreement CheapOair Staff September 9, 2010 general Hawaiian signs codeshare with Delta Delta Air Lines and Hawaiian Airlines announced Thursday that they are signing a codeshare agreement, which will let both carriers to sell airline tickets on each other's flights. The new agreement begins September 15 and will allow customers to connect between Delta flights and 70 daily inter-island Hawaiian Airlines flights. According to Delta, customers will be able to use their frequent flier miles to secure seats on Hawaiian as well. Tickets will be available under the codeshare starting Sunday.
