Seattle to Washington flights
Flights from Seattle Tacoma (SEA) to Washington Dulles (IAD) cover 3,702 km. In the last 12 months there were 1,853 scheduled flights on 3 airlines; 83% arrived within 15 minutes of schedule and the average flight arrives about 2 minutes early. United Airlines was the most punctual, with 89% on time.
Airlines on this route
- Alaska Airlines835 flights · 82% on time
- United Airlines657 flights · 89% on time
- Delta Air Lines361 flights · 76% on time
US airlines' domestic flights, last 12 months. Source: US Bureau of Transportation Statistics, public domain.
Coming back? Washington to Seattle flights. More about Seattle Tacoma (SEA) and Washington Dulles (IAD).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
<a href="https://tripstow.com/routes/sea-iad" title="Flights from Seattle to Washington are on time 83% of the time on TripStow"><img src="https://tripstow.com/badge/routes/sea-iad.svg" alt="Flights from Seattle to Washington are on time 83% of the time" width="360" height="88" loading="lazy"></a>
<a href="https://tripstow.com/routes/sea-iad" title="Flights from Seattle to Washington are on time 83% of the time on TripStow"><img src="https://tripstow.com/badge/routes/sea-iad.svg?theme=light" alt="Flights from Seattle to Washington are on time 83% of the time" width="360" height="88" loading="lazy"></a>[](https://tripstow.com/routes/sea-iad)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free