BTS Domestic Air Travel · 2021 – 2025
U.S. Skies
by the Numbers
Carrier Comparison
Top Carriers by Passengers
Each plane = 100 million passengers carried · 2021–2025 total
= 100 million passengers
Hub Analysis
Top 12 Busiest Hubs
Each tower = 50 million passengers through that airport · 2021–2025 total
= 50 million passengers
Route Intelligence
Top 14 Routes
Ranked by passengers · dominant carrier logo shown · line colored by brand
Monthly Trend · Jan 2023 – Dec 2025
36 Months of Passenger Traffic
Each column = one month · each plane icon ≈ 10 million passengers · summer peaks vs winter valleys at a glance
Signature Visualization
The Passenger Constellation
Every carrier plotted by market share vs. load factor — bubble size = total routes operated
Market Dominance vs. Cabin Efficiency
Horizontal axis: share of total pax · Vertical axis: average load factor · Bubble area: routes served