route Route

IAD → SEA

Q: How long is the flight from IAD to SEA?

Average flight time on the IAD–SEA route is 2h 23m , covering approximately 187 km (116 mi).

Q: What is the distance from IAD to SEA?

The great-circle distance from IAD to SEA is approximately 187 km (116 miles).

Q: How many flights per week from IAD to SEA?

We've observed ~2 flights per day on this route across our tracking data (4 total flights recorded).

187 km avg 2h 23m 1 airline

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

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

Flights tracked: 4
Avg duration: 2h 23m
Distance: 187 km

Live traffic

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

Airlines 1

Airline	Flights shown
Delta Air Lines	3

Other connections

More destinations from IAD

EWR KEWR 26 flights
SFO KSFO 23 flights
FRA EDDF 16 flights
HND RJTT 12 flights
ZRH LSZH 11 flights
RDU KRDU 11 flights
DUB EIDW 11 flights
LGA KLGA 10 flights
SLC KSLC 9 flights
DEN KDEN 9 flights

More origins to SEA

SJC KSJC 45 flights
LAX KLAX 27 flights
SNA KSNA 21 flights
JFK KJFK 20 flights
LAS KLAS 19 flights
BOS KBOS 18 flights
PHX KPHX 17 flights
OAK KOAK 16 flights
ORD KORD 14 flights
SFO KSFO 13 flights

Recent flights last 4

Date	Flight	Aircraft	Takeoff	Landing	Duration	Arr Δ
2026-04-14	DAL309	AAE6D5	Apr 14, 09:10 UTC	Apr 14, 09:35 UTC	25m	-
2026-04-14	DAL309	AAE6D5	Apr 14, 07:10 UTC	Apr 14, 09:05 UTC	1h 55m	-
2026-04-14	DAL309	AAE6D5	Apr 14, 05:25 UTC	Apr 14, 07:10 UTC	1h 45m	-
2026-04-13	UAL326	AA7F4E	Apr 13, 22:19 UTC	Apr 14, 03:45 UTC	5h 26m	+8m

IAD → SEA frequently asked

How long is the flight from IAD to SEA?

Average flight time on the IAD–SEA route is 2h 23m, covering approximately 187 km (116 mi).

What is the distance from IAD to SEA?

The great-circle distance from IAD to SEA is approximately 187 km (116 miles).

Which airlines fly from IAD to SEA?

1 airline operates this route in our records: Delta Air Lines.

How many flights per week from IAD to SEA?

We've observed ~2 flights per day on this route across our tracking data (4 total flights recorded).

Can I track IAD–SEA flights live?

Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.

IAD → SEA

Washington Dulles International Airport

cloud Weather

flight Live Traffic

Seattle–Tacoma International Airport

cloud Weather

flight Live Traffic

Live traffic

Airlines 1

Other connections

More destinations from IAD

More origins to SEA

Recent flights last 4

IAD → SEA frequently asked