Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

SEA → IAD

296 km avg 1h 38m 1 airline

Departure

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
03:01 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
40° / 14G21 kt
Visibility
10 SM
Ceiling
FEW 1,100 ft, BKN 2,900 ft, OVC 4,000 ft
Temp / Dew
5°C / 3°C
Altimeter
29.78 inHg
Wx
-RA

Obs: 2026-04-15T09:53:00.000Z

Raw METAR / TAF 
METAR KSEA 150953Z 04014G21KT 10SM -RA FEW011 BKN029 OVC040 05/03 A2978 RMK AO2 RAE0858B17 SLP094 P0000 T00500033

TAF KSEA 150855Z 1509/1612 23009KT P6SM VCSH FEW006 BKN011 OVC035 FM151500 21007KT P6SM VCSH SCT025 BKN035 FM151900 22010G18KT P6SM -SHRA SCT030 BKN040 PROB30 1521/1524 5SM -TSRA BKN040CB FM160000 23009KT P6SM -RA SCT025 BKN035 FM160200 03006KT P6SM -RA SCT025 BKN035

flight Live Traffic

flight_takeoff 96 Departures
flight_land 130 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
06:01 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft
Temp / Dew
15°C / 14°C
Altimeter
29.97 inHg

Obs: 2026-04-15T09:52:00.000Z

Raw METAR / TAF 
METAR KIAD 150952Z 00000KT 10SM FEW120 15/14 A2997 RMK AO2 SLP145 T01500144 $

TAF KIAD 150859Z 1509/1612 00000KT P6SM BKN250 FM151200 21003KT P6SM FEW110 FM151500 22011G17KT P6SM FEW130 FM152300 21006KT P6SM SCT210 FM160500 00000KT P6SM SCT210

flight Live Traffic

flight_takeoff 100 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.