BTS AIR INSIGHTS
Bureau of Transportation Statistics · T-100 Segment Analysis
32
US Carriers
Active
2021 – 2025 SERVICE RECORD
2021
Service Begins
— ✈ ——
Five-Year Industry Record
Billion Pax
M Route Records
Billion Seats
2025
Final Report
Total Carriers
32
Reporting Airlines
Route-Month Records
T-100 Segments Filed
All-Time Passengers
Jan 2021 → Dec 2025
Avg Load Factor
Seats Filled Industry-Wide
01
Carrier Boarding Passes
Top 12 Airlines By Passengers Carried · 2021-2025
02
Departure Gates · Major Hubs
Top 12 Airports By Passenger Volume · All Carriers
03
Flight Itinerary · Top Routes
14 Busiest City-Pair Routes · All Carriers Combined
# Route / Service Passengers Load Factor Carriers Top Operator
04
Traffic Log · Monthly Seats
Jan 2023 → Dec 2025 · 36 Months All-Carrier
Monthly Seats (Millions)
Load Factor %
05
Manifest & Market Share
Seat Share By Carrier · Seasonality Profile · Recovery Arc
Five-Year Seat Allocation · All 18 Reporting Carriers
Proportional Seat Share — Stacked Boarding Manifest
Seasonality Profile
Avg Monthly Seats by Calendar Month · 2023-2025
Load Factor Arc
Industry-Wide Load Factor · 36-Month Trend