"The use of emerging social media (Twitter, Facebook, and blogs) by the airline industry continues to grow healthily. These venues offer airlines the opportunity to communicate with customers in a way that is much more personalized, immediate, and trend-aware than traditional advertising, PR, and customer service venues."
Project writer "Ex-United" created an overview in this great article with data on twitter followers, facebook friends and blog google results.
How did JetBlue obtain 1 million + followers?  The table clearly shows not all airlines have put marketing (?) money in social media presence, despite the opportunities.
Vidamore supports the aviation industry implementing new business opportunities, technology and processes to:
to airlines, airports, suppliers and governments.