The best replacement for delta airlines is us airways.

The best alternatives to delta airlines are rated as following:
★★★★★  us airways
★★★★★  american airlines
★★★  united airlines
★★★  southwest
★★★  united
★★  northwest airlines
★★  jetblue
★  southwest airlines
★  continental airlines
★  klm
  alaska airlines
  northwest
  virgin america
  air canada
  nwa

Your alternative for delta airlines is not listed? Suggest!
Speaking about delta airlines, one probably shouldn't forget about military discounts.

Other search terms related to delta airlines and their ratings are:
★★★★★ military discounts
You have in mind a companion for delta airlines and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of delta airlines in all years. Click on graph for more.
delta airlines
us airways
american airlines