(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 3/1/2015
Summary Data (U.S. Flights Only)Carrier Shares for December 2013 - November 2014
Passengers*2013**2014**%ChgRank***
Arrival14,871k15,878k6.77%10
Departure14,867k15,873k6.77%10
Scheduled Flights
Departures137,845146,1186.00%16
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total453m467m3.02%20
Carriers
Scheduled182011.11%
* Scheduled enplaned revenue passengers.
** 12 months ending November of each year.
*** Among 815 U.S. airports, 12 months ending November 2014
CarrierPassengersShare
Alaska 12,88140.57%
Horizon Air3,77411.89%
Delta 3,67111.56%
Southwest 2,9689.35%
United 2,8318.92%
Other5,62517.72%
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 December 2013 - November 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.)
Departure52.2750.9051.0554.6252.4050.322
Arrival46.4648.4348.6651.0348.6749.481
% Cancelled
Total0.48%0.49%0.51%0.66%0.41%0.46%1
Number of Flights (000)
Total101.098.6100.1100.2103.1108.7
Number of Reporting Carriers
Total131212121111
* January - December 2014 .
** Ranked only for major U.S. airports, January - December 2014.