Ed Bastian, the head of Delta Air Lines, says adding more flights will reduce ticket costs.
More seats mean airlines cut individual expenses.
He talked about rising fuel expenses and limited pilots and planes.
These issues now make tickets costlier.
Bastian stressed that adding flights is the key strategy to cut fares.
He spoke while explaining how fuel hikes hurt airlines.
The CEO said extra flights help cut ticket costs for travelers across the country.
Bastian dismissed the idea that fares can drop without more open seats.