route Route

SEA → IAD

Q: 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).

Q: What is the distance from SEA to IAD?

The great-circle distance from SEA to IAD is approximately 296 km (184 miles).

Q: 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).

296 km avg 1h 38m 1 airline

Local time: 22:46 PDT
Timezone: America/Los_Angeles
Type: Large Airport
Elevation: 433 ft
Coordinates: 47.4479, -122.3103

cloud Weather

Wind: 200° / 10G17 kt
Visibility: 6 SM
Ceiling: OVC 2,100 ft
Temp / Dew: 8°C / 6°C
Altimeter: 29.76 inHg
Wx: -RA BR

Obs: 2026-04-15T04:53:00.000Z

Raw METAR / TAF

METAR KSEA 150453Z 20010G17KT 6SM -RA BR OVC021 08/06 A2976 RMK AO2 SLP085 P0007 T00780061

TAF KSEA 150520Z 1506/1612 18010G18KT 6SM -RA OVC020 FM150700 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 FM160200 03006KT P6SM -RA SCT025 BKN035

flight Live Traffic

flight_takeoff 420 Departures

flight_land 475 Arrivals

Local time: 01:46 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: SCT 12,000 ft
Temp / Dew: 20°C / 16°C
Altimeter: 29.98 inHg

Obs: 2026-04-15T04:52:00.000Z

Raw METAR / TAF

METAR KIAD 150452Z 00000KT 10SM SCT120 20/16 A2998 RMK AO2 SLP148 T02000161 403060122 $

TAF KIAD 150529Z 1506/1612 00000KT P6SM SCT120 FM151200 21003KT P6SM FEW110 FM151500 22011G17KT P6SM FEW130 FM152300 21006KT P6SM SCT210 FM160500 00000KT P6SM SCT210

flight Live Traffic

flight_takeoff 104 Departures

flight_land 84 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

SFO KSFO 36 flights
SJC KSJC 28 flights
ORD KORD 28 flights
OAK KOAK 24 flights
TPE RCTP 21 flights
ANC PANC 17 flights
PHL KPHL 17 flights
JFK KJFK 16 flights
MSP KMSP 15 flights
ICN RKSI 14 flights

More origins to IAD

BOS KBOS 23 flights
LGA KLGA 21 flights
CDG LFPG 16 flights
SFO KSFO 15 flights
CLT KCLT 14 flights
IST LTFM 13 flights
PWM KPWM 13 flights
LHR EGLL 13 flights
LAX KLAX 12 flights
BNA KBNA 11 flights

Recent flights last 4

Date	Flight	Aircraft	Takeoff	Landing	Duration	Arr Δ
2026-04-14	UAL809	A2E014	Apr 14, 10:00 UTC	Apr 14, 10:50 UTC	50m	-
2026-04-13	UAL809	A2E014	Apr 13, 21:20 UTC	Apr 13, 21:40 UTC	20m	-
2026-04-13	UAL2861	AA7F02	Apr 13, 15:23 UTC	Apr 13, 19:54 UTC	4h 31m	-5m
2026-04-13	UAL809	A21679	Apr 13, 10:25 UTC	Apr 13, 11:15 UTC	50m	-

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.

SEA → IAD

Seattle–Tacoma International Airport

cloud Weather

flight Live Traffic

Washington Dulles International Airport

cloud Weather

flight Live Traffic

Live traffic

Airlines 1

Other connections

More destinations from SEA

More origins to IAD

Recent flights last 4

SEA → IAD frequently asked