US Aviation Market Data Insights

Find below flight data and analysis focused on the US aviation market, with data powered by OAG's Schedules Analyser. The data is updated monthly. Seats are calculated as departing seats (one-way).

• The top 10 carriers by seats remains unchanged from last month.
• American Airlines remains the biggest carrier in the US this month with 21% of the market, 21.8m seats.
• Delta Air Lines remains second and Southwest is a close third largest, with 19.4m seats and 19.2m seats.
• The big 4 carriers account for 74% of capacity.
• Reversing last month's reduction in capacity, Allegiant Air increased most within the top 10 this month, by 30.5% daily.
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• All of the big 4 carriers added capacity this month.
• Reversing last month's reduction, American Airlines added the most capacity, increasing by 1.4m seats.
• Southwest Airlines added 1.2m seats, United Airlines added 874,000 and Delta Airlines added 795,000.
• Allegiant Air and Breeze Airways made the largest percentage increases vs last month of 35% and 36% respectively.

• Whilst the top 10 routes remained the same, capacity on Los Angeles to San Francisco grew by 9.7% daily making it the busiest route.
• Capacity on the Denver-Phoenix and Denver- Las Vegas routes grew again this month, by 9.5% and 7.2% respectively.
• Both Southwest and United added over 8,700 seats on these Denver routes.
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• 5.2 million seats were added to US capacity in October 24.
• The largest increase was in Florida where capacity increased by 14%, 1.2 million seats, reversing last month's reduction.
• Capacity drops in the States of Texas and California were also reversed, increasing by 776,700 and 551,800 seats respectively compared with the previous month.
• Percentage wise, Louisiana made the largest increase in capacity, increasing by 17.1% daily (factoring in the difference in the length of the month).