(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 8/30/2015
Summary Data (U.S. Flights Only)Carrier Shares for June 2014 - May 2015
Passengers*2014**2015**%ChgRank***
Arrival15,132k16,767k10.81%10
Departure15,132k16,739k10.62%10
Scheduled Flights
Departures140,480154,0399.65%15
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total461m473m2.45%20
Carriers
Scheduled192110.53%
* Scheduled enplaned revenue passengers.
** 12 months ending May of each year.
*** Among 822 U.S. airports, 12 months ending May 2015
CarrierPassengersShare
Alaska 13,79541.17%
Delta 4,08412.19%
Horizon Air3,88711.60%
Southwest 2,9938.93%
United 2,7388.17%
Other6,00817.93%
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.
** 2015 represents data for June 2014 - May 2015.
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, 2010-2015
% On Time201020112012201320142015*Rank**
Departure88%88%87%85%84%84%3
Arrival85%84%85%83%82%83%3
Avg Delay (min.)
Departure50.9051.0554.6252.4050.3250.953
Arrival48.4348.6651.0348.6749.4851.043
% Cancelled
Total0.49%0.51%0.66%0.41%0.46%0.38%1
Number of Flights (000)
Total98.6100.1100.2103.1108.7114.1
Number of Reporting Carriers
Total121212111111
* July 2014 - June 2015 .
** Ranked only for major U.S. airports, July 2014 - June 2015.