Traffic and fare data by airline and route can provide valuable insights into market trends, demand, and competition. By analyzing this data, airlines can optimize their pricing strategies, plan their capacity, and make informed decisions about their route network. The data can also be used for market and competitive analysis, helping airlines identify profitable routes and gain a competitive advantage.
According to initial true O&D level data released this week by FlightBI, total U.S. domestic air travel increased in October 2025. International travel volumes also rose during the same period, while average airfares declined.
Volume Trend
In October 2025, U.S. domestic passenger traffic rebounded to 57.1 million, up from 49.5 million in September and 6.5% higher than October 2024’s 53.6 million. International passenger volumes also increased, climbing from 20.1 million in September to 20.7 million in October.
Figure 1: US Domestic and International Air Traffic by Month
Airfare Trend
Domestic airfares eased slightly in October 2025, as the average gross fare edged down from $222 in September to $220, and the average net fare fell from $190 to $188.
Figure 2: US Domestic Average Airfare by Month
Load Factor Trend
In October 2025, both Available Seat Miles (ASM) and Revenue Passenger Miles (RPM) increased month over month. The average load factor for major U.S. airlines rose to 82.8%, nearly matching the 82.9% recorded in October 2024 (see Figure 3).
Figure 3: US Airlines’ Average Load Factor by Month
Month Over Month Comparison
In October 2025, most U.S. airlines recorded higher daily domestic traffic compared to September. Allegiant (G4) led the increase with a 51.3% growth, followed by Frontier (F9) at 19.2% and American (AA) at 15.5%.
Figure 4: Domestic Air Traffic by Marketing Airlines in September 2025 (Previous) vs. October 2025 (Current)
Most U.S. airports also reported passenger gains in October 2025. Phoenix (PHX), Houston (IAH) and Las Vegas (LAS) led the growth, with increases of 35.3%, 22.2%, and 18.9%, respectively. In contrast, Seattle (SEA) and LaGuardia (LGA) saw declines of 7.9% and 4.8%.
Figure 5: Domestic Air Traffic by Top Airports in September 2025 (Previous) vs. October 2025 (Current)
Year Over Year Comparison
From October 2024 to October 2025, most U.S. airlines posted year-over-year growth. Allegiant (G4) recorded standout gains, with strong increase in both capacity and load factor. American (AA) and United (UA) also reported solid growth of 10.7% and 8.4%, respectively. In contrast, Spirit Airlines (NK) continued to decline, with traffic down 26.8%, while JetBlue (B6) saw a more modest decrease of 2.3%.
Figure 6: Domestic Air Traffic by Marketing Airlines in October 2025 (Current) vs. October 2024 (Previous)
From October 2024 to October 2025, more major U.S. airports experienced increases in domestic traffic than declines. Orlando (MCO), Phoenix (PHX) and San Francisco (SFO) led the growth with gains of 20.2%, 12.4% and 12.3%, respectively, while LaGuardia (LGA) and Los Angeles (LAX) saw decreases of 13.4% and 3.7%.
Figure 7: Domestic Air Traffic by Top Origin Airport in October 2025 (Current) vs. October 2024 (Previous)
For more detailed information on traffic and fares by route and airline, please contact service@flightbi.com or request a demo of Fligence USOD. They will be able to provide you with customized information to meet your specific needs and requirements.