A New Shuttle Service, Minus the 1980s Frills

American Airlines is adding service between New York and Chicago. But shuttles were once more freewheeling affairs, serving food to everyone, even on short flights.

The announcement by American Airlines seemed to hark to another era: The airline would be adding shuttle service between New York and Chicago this spring — and serving free beer and wine, no less.But the American shuttle is a “shuttle” in only the narrowest definition: It will adhere to a regular, frequent schedule.In the glory days of air shuttles, a few decades ago, shuttles were more freewhe...