route Route

SEA → IAD

296 km avg 1h 38m 1 airline

Departure

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
21:51 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
170° / 17G25 kt
Visibility
9 SM
Ceiling
OVC 1,900 ft
Temp / Dew
8°C / 6°C
Altimeter
29.76 inHg
Wx
-RA

Obs: 2026-04-15T03:53:00.000Z

Raw METAR / TAF
METAR KSEA 150353Z 17017G25KT 9SM -RA OVC019 08/06 A2976 RMK AO2 PK WND 18026/0339 SLP086 P0006 T00780061

TAF KSEA 150301Z 1503/1606 18014G20KT 6SM -RA BKN015 OVC025 FM150400 18010G20KT P6SM VCSH SCT025 OVC035 FM150900 15009KT P6SM BKN040 FM151500 21007KT P6SM VCSH SCT025 BKN035 FM151900 22010G18KT P6SM -SHRA SCT030 BKN040 FM152300 23009KT P6SM -RA SCT025 BKN035

flight Live Traffic

flight_takeoff 231 Departures
flight_land 225 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
00:51 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
20° / 4 kt
Visibility
10 SM
Ceiling
BKN 11,000 ft
Temp / Dew
22°C / 16°C
Altimeter
29.98 inHg

Obs: 2026-04-15T03:52:00.000Z

Raw METAR / TAF
METAR KIAD 150352Z 02004KT 10SM BKN110 22/16 A2998 RMK AO2 RAE16 SLP149 P0000 T02170156 $

TAF KIAD 150307Z 1503/1606 36010KT 6SM -SHRA BKN070 OVC110 FM150400 25004KT P6SM FEW060 SCT200 FM151700 22010G18KT P6SM FEW060 SCT250 FM160000 22006KT P6SM SCT250

flight Live Traffic

flight_takeoff 166 Departures
flight_land 143 Arrivals
Flights tracked
4
Avg duration
1h 38m
Distance
296 km

Live traffic

SEA → IAD. Live aircraft currently filed on this route.

Airlines 1

Airline Flights shown
United Airlines 3

Other connections

More destinations from SEA

More origins to IAD

Recent flights last 4

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-04-14 UAL809 A2E014 Apr 14, 10:00 UTCApr 14, 10:50 UTC50m -
2026-04-13 UAL809 A2E014 Apr 13, 21:20 UTCApr 13, 21:40 UTC20m -
2026-04-13 UAL2861 AA7F02 Apr 13, 15:23 UTCApr 13, 19:54 UTC4h 31m -5m
2026-04-13 UAL809 A21679 Apr 13, 10:25 UTCApr 13, 11:15 UTC50m -

SEA → IAD frequently asked

How long is the flight from SEA to IAD?
Average flight time on the SEA–IAD route is 1h 38m, covering approximately 296 km (184 mi).
What is the distance from SEA to IAD?
The great-circle distance from SEA to IAD is approximately 296 km (184 miles).
Which airlines fly from SEA to IAD?
1 airline operates this route in our records: United Airlines.
How many flights per week from SEA to IAD?
We've observed ~2 flights per day on this route across our tracking data (4 total flights recorded).
Can I track SEA–IAD flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.