(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 12/18/2014
Summary Data (U.S. Flights Only)Carrier Shares for October 2013 - September 2014
Passengers*2013**2014**%ChgRank***
Arrival14,869k15,626k5.09%11
Departure14,858k15,616k5.11%11
Scheduled Flights
Departures137,019144,0085.10%17
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total452m465m3.03%20
Carriers
Scheduled182011.11%
* Scheduled enplaned revenue passengers.
** 12 months ending September of each year.
*** Among 808 U.S. airports, 12 months ending September 2014
CarrierPassengersShare
Alaska 12,62440.41%
Horizon Air3,75212.01%
Delta 3,55211.37%
Southwest 2,9509.44%
United 2,8279.05%
Other5,53717.72%
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.
** 2014 represents data for October 2013 - September 2014.
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, 2009-2014
% On Time200920102011201220132014*Rank**
Departure87%88%88%87%85%84%3
Arrival82%85%84%85%83%82%3
Avg Delay (min.)
Departure52.2750.9051.0554.6252.4049.822
Arrival46.4648.4348.6651.0348.6749.261
% Cancelled
Total0.48%0.49%0.51%0.66%0.41%0.50%1
Number of Flights (000)
Total101.098.6100.1100.2103.1107.5
Number of Reporting Carriers
Total131212121111
* November 2013 - October 2014 .
** Ranked only for major U.S. airports, November 2013 - October 2014.