Rising fares are helping Southwest Airlines more than offset the high cost of jet fuel.
The airline said Thursday that second-quarter profit soared 42 percent on record revenue.
The average one-way fare topped $150, up 5 percent from last summer. Passenger traffic also increased 5 percent.
Southwest earned $228 million, or 30 cents per share. Excluding special items, the company would have earned 36 cents per share, while analysts expected 33 cents per share.