Originally Posted by
GadgetKen
Advantage of CO is fewer connections, and included food service (a rarity on domestic airlines these days, CO and HA are 2 notable exceptions). Note you can also take the Amtrak Northeast Regional train to the Newark Airport monorail station...CO has a code-share alliance with Amtrak. Suggest also bringing books/magazines (or buy at the airport) to supplement the seat back video.
FWIW, Delta offers comp meals to Hawaii on the long haul flights (ATL-HNL and MSP-HNL).
That said, my vote would still be for CO.