(The month selection does not apply to on-time data.)Show all airports (by state)
Seattle, WA: Seattle/Tacoma International (SEA)Scheduled Services except Freight/MailBTS Data as of 7/25/2016
Summary Data (U.S. Flights Only)Carrier Shares for May 2015 - April 2016
Passengers*2015**2016**%ChgRank***
Arrival16,561k18,530k11.89%10
Departure16,547k18,493k11.76%10
Scheduled Flights
Departures152,496171,51412.47%11
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total473m470m-0.62%20
Carriers
Scheduled2120-4.76%
* Scheduled enplaned revenue passengers.
** 12 months ending April of each year.
*** Among 825 U.S. airports, 12 months ending April 2016
CarrierPassengersShare
Alaska 15,10940.81%
Delta 4,91513.28%
Horizon Air4,10411.08%
Southwest 3,2838.87%
United 2,5856.98%
Other7,02718.98%
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.
** 2016 represents data for May 2015 - April 2016.
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, 2011-2016
% On Time201120122013201420152016*Rank**
Departure88%87%85%84%84%85%4
Arrival84%85%83%82%83%84%8
Avg Delay (min.)
Departure51.0554.6252.4050.3251.9451.813
Arrival48.6651.0348.6749.4852.0151.933
% Cancelled
Total0.51%0.66%0.41%0.46%0.39%0.36%2
Number of Flights (000)
Total100.1100.2103.1108.7121.3127.3
Number of Reporting Carriers
Total121211111111
* June 2015 - May 2016 .
** Ranked only for major U.S. airports, June 2015 - May 2016.