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Seattle, WA: Seattle/Tacoma International (SEA)Scheduled Services except Freight/MailBTS Data as of 1/23/2022
Summary Data (U.S. Flights Only)Carrier Shares for November 2020 - October 2021
Passengers*2020**2021**%ChgRank***
Arrival11,128k14,917k34.05%10
Departure11,084k14,904k34.46%10
Scheduled Flights
Departures142,066168,10918.33%7
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total788m823m4.45%19
Carriers
Scheduled1916-15.79%
* Scheduled enplaned revenue passengers.
** 12 months ending October of each year.
*** Among 771 U.S. airports, 12 months ending October 2021
CarrierPassengersShare
Alaska 13,83346.39%
Delta 5,22117.51%
Horizon Air3,21110.77%
SkyWest 2,0967.03%
Southwest 1,6755.62%
Other3,78512.69%
Based on enplaned passengers(000) both arriving and departing.
Total Passengers (U.S. Flights, in millions)Top 10 Destination Airports (U.S. Only, Passengers (000))
*  Before October 2002, only carriers operating aircraft with more than 60 seats or 18,000 pounds in payload reported traffic data.
** 2021 represents data for November 2020 - October 2021.
Source: T-100 Domestic Market (US Carriers).
SEA vs. National Departure Delays (Major U.S. Carriers)SEA On-Time Performance Summary (Major U.S. Carriers Only)
A flight is considered delayed when it arrived or departed 15 or more minutes than the schedule. Delayed minutes are calculated from delayed flights only.
Domestic Flights, 2016-2021
% On Time201620172018201920202021*Rank**
Departure85%83%84%82%87%87%7
Arrival83%80%80%80%87%86%7
Avg Delay (min.)
Departure54.3555.7155.0457.2454.6652.193
Arrival53.2652.6151.7854.2151.0154.054
% Cancelled
Total0.38%0.61%0.47%0.81%3.66%0.97%7
Number of Flights (000)
Total132.6137.2140.0142.9101.2158.9
Number of Reporting Carriers
Total111111111111
* November 2020 - October 2021 .
** Ranked only for major U.S. airports, November 2020 - October 2021.