FLIGHTLINE INTEL COMMERCIAL AVIATION INTELLIGENCE
Route T-100 Intelligence

PHX ↔ SEA

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

928,606
2026 passengers
7,340
2026 departures
83.7%
2026 market load factor

2026 airlines

CodeAirlinePassengersDeparturesLoad factor
ASAlaska Airlines Inc.447,4363,05983.5%
DLDelta Air Lines Inc.220,4781,70184.8%
WNSouthwest Airlines Co.139,4221,01483.0%
MQEnvoy Air54,51185484.0%
AAAmerican Airlines Inc.26,50622882.9%
OOSkyWest Airlines Inc.22,56637282.8%
F9Frontier Airlines Inc.17,68711281.6%

Annual history

YearPassengersPassengers/daySeatsDeparturesLoad factor
20151,564,6854,286.81,857,40012,63084.2%
20161,583,3374,326.11,876,94912,69584.4%
20171,609,4814,409.51,803,89512,34489.2%
20181,602,3854,390.11,841,93312,47887.0%
20191,808,6894,955.32,058,90712,58587.8%
2020914,4742,498.61,554,8399,60358.8%
20211,640,6874,495.02,024,45412,48781.0%
20221,649,1594,518.21,870,96712,05288.1%
20231,916,9425,251.92,339,87913,95881.9%
20241,888,6715,160.32,225,19614,40384.9%
20251,841,6065,045.52,208,78214,68583.4%
2026928,6065,130.41,109,5987,34083.7%
Source: U.S. Department of Transportation, Bureau of Transportation Statistics T-100 Segment data.