The best replacement for jetblue is delta.

The best alternatives to jetblue are rated as following:
★★★★★  delta
★★★★  southwest
★★★★  virgin america
★★★  united
★★★  us airways
★★  virgin
★★  airtran
★★  american airlines
★  continental
★  spirit
★  other airlines
★  southwest airlines
★  alaska airlines
  continental airlines
  air tran

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

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



Google Trends

Scale is based on the average worldwide traffic of jetblue in all years. Click on graph for more.
jetblue
delta
southwest