FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

AUS ↔ SEA

Two-way market traffic, capacity, airline participation and annual performance.

257,050
2026 passengers
1,935
2026 departures
85.9%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
ASAlaska Airlines Inc.153,3081,02885.0%
DLDelta Air Lines Inc.94,77684887.1%
WNSouthwest Airlines Co.8,2685391.8%
AAAmerican Airlines Inc.698491.1%
OOSkyWest Airlines Inc.020.0%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
2015154,387423.0172,83999089.3%
2016259,295708.5302,8361,83185.6%
2017314,163860.7372,5312,30684.3%
2018327,109896.2384,4872,29285.1%
2019304,300833.7345,9642,23088.0%
2020121,247331.3236,4071,52851.3%
2021316,789867.9446,3983,03971.0%
2022416,2931,140.5484,6623,43185.9%
2023477,4671,308.1608,3234,02678.5%
2024487,4311,331.8599,8273,99081.3%
2025523,3401,433.8636,9924,08082.2%
2026257,0501,420.2299,0701,93585.9%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.