Philadelphia Airport offers flights from 15 different airlines. Some of the airlines offering flights out of Philadelphia Airport are US Airways, Delta, AirTran Airways, Lufthansa, Frontier, Air Canada just to name a few.
Southwest and US Airways fly direct. Other airlines fly with connections.
Hawaian airlines
kayak airlines
American Airlines and Hawaiian Airlines fly direct between Phoenix and Honolulu.
none, but us air used to fly there
The airlines which provide this service are Lufthansa, Swiss Airlines.
Frontier Airlines is the only airline to fly out of Wilmington-Philadelphia Regional Airport.
At the moment, no airlines fly direct between Amritsar and London.
Alaska airlines and i think southwest
It depends where you are flying FROM.
Southwest does
Southwest and Spirit
The only airlines with non-stops between Philadelphia (PHL) and Memphis (MEM) are US Airways and Delta.
Direct - Singapore Airlines, Jetstar, Air Asia, KLM, Qatar Airlines, Garuda
Thomas Cook