Originally Posted by
sdsearch
Do you have status at any airline? If not, the only ways to get extra legroom are to book business class (as opposed to coach) seats (but then that'll be prohibitive for your traveling companions who will pay cash), since it only takes 2x the miles typically, or to book coach on a flight that has Economy Plus on UA (most of them do) or Economy Comfort on DL (not that many of them do yet AFAIK).
Umm, all DL international aircraft have had Economy Comfort for a year now, and all two-cabin domestic aircraft had Economy Comfort implemented as of 7 June. The only aircraft without it are the 50-seat RJs, and DL is trying to retire a huge fraction of them anyway with the acquisition of the FL 717s and bringing more 70-ish seat 2-cabin RJs into the fleet.