Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

IAD → SEA

174 km avg 3h 17m 3 airlines

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
01:39 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
CLR
Temp / Dew
16°C / 12°C
Altimeter
29.84 inHg

Obs: 2026-05-30T04:52:00.000Z

Raw METAR / TAF 
METAR KIAD 300452Z 00000KT 10SM CLR 16/12 A2984 RMK AO2 SLP102 T01560122 402610089

TAF KIAD 300258Z 3003/3106 24005KT P6SM FEW250 FM300800 33007G15KT P6SM FEW150 FM301300 36013G22KT P6SM FEW150 FM302200 01010G19KT P6SM SKC

flight Live Traffic

flight_takeoff 74 Departures
flight_land 58 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
22:39 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
360° / 11 kt
Visibility
10 SM
Ceiling
OVC 3,400 ft
Temp / Dew
12°C / 6°C
Altimeter
30.14 inHg

Obs: 2026-05-30T04:53:00.000Z

Raw METAR / TAF 
METAR KSEA 300453Z 36011KT 10SM OVC034 12/06 A3014 RMK AO2 SLP213 T01170061 $

TAF KSEA 300520Z 3006/3112 01009KT P6SM OVC035 TEMPO 3006/3009 -SHRA FM301200 14005KT P6SM BKN030 FM301900 28006KT P6SM BKN070 FM302200 31008KT P6SM SCT070 BKN250

flight Live Traffic

flight_takeoff 289 Departures
flight_land 351 Arrivals
Flights tracked
321 showing last 50
Avg duration
3h 17m
Distance
174 km

Live traffic

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

Airlines 3

Airline Flights shown
United Airlines 24
Delta Air Lines 13
Alaska Airlines 13

Other connections

More destinations from IAD

More origins to SEA

Recent flights last 50

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-05-30 DAL309 AB321C May 30, 01:40 UTCMay 30, 02:00 UTC20m -
2026-05-30 UAL1730 A12AE8 May 30, 00:25 UTCMay 30, 02:25 UTC2h 0m -
2026-05-29 UAL1964 AA7F25 May 29, 22:05 UTCMay 30, 01:50 UTC3h 45m -
2026-05-29 ASA263 A1CC1F May 29, 21:00 UTCMay 30, 01:30 UTC4h 30m -
2026-05-29 ASA406 A56866 May 29, 07:00 UTCMay 29, 11:15 UTC4h 15m -
2026-05-29 UAL1730 A12AEA May 29, 06:50 UTCMay 29, 11:00 UTC4h 10m -
2026-05-29 DAL309 AB0E54 May 29, 06:00 UTCMay 29, 10:00 UTC4h 0m -
2026-05-29 DAL309 AB0E54 May 29, 01:55 UTCMay 29, 02:10 UTC15m -
2026-05-29 UAL1730 A2BBA4 May 29, 01:05 UTCMay 29, 03:15 UTC2h 10m -
2026-05-29 UAL1730 A2BBA4 May 29, 00:58 UTCMay 29, 03:12 UTC2h 14m -2m
2026-05-28 UAL1964 AA7F4E May 28, 22:05 UTCMay 29, 02:10 UTC4h 5m -
2026-05-28 ASA263 A24DC1 May 28, 20:55 UTCMay 29, 01:20 UTC4h 25m -
2026-05-28 UAL1730 A12EE7 May 28, 06:25 UTCMay 28, 10:45 UTC4h 20m -
2026-05-28 DAL309 AB3D41 May 28, 06:05 UTCMay 28, 10:00 UTC3h 55m -
2026-05-28 ASA406 A30BCE May 28, 05:50 UTCMay 28, 09:45 UTC3h 55m -
2026-05-28 DAL309 AB3D41 May 28, 01:35 UTCMay 28, 01:55 UTC20m -
2026-05-28 DAL309 AB3D41 May 28, 01:34 UTCMay 28, 09:55 UTC8h 21m -11m
2026-05-28 UAL1730 A445C7 May 28, 00:15 UTCMay 28, 02:25 UTC2h 10m -
2026-05-27 UAL1964 AA7F24 May 27, 22:10 UTCMay 28, 01:55 UTC3h 45m -
2026-05-27 ASA263 A1EFE7 May 27, 21:05 UTCMay 28, 01:35 UTC4h 30m -
2026-05-27 UAL1730 AA7AA0 May 27, 06:29 UTCMay 27, 10:50 UTC4h 21m -
2026-05-27 DAL309 AB0E54 May 27, 06:20 UTCMay 27, 10:40 UTC4h 20m -
2026-05-27 ASA406 A5B3AD May 27, 05:40 UTCMay 27, 09:40 UTC4h 0m -
2026-05-27 DAL309 AB0E54 May 27, 01:59 UTCMay 27, 02:14 UTC15m -
2026-05-27 UAL1730 A75FBF May 27, 00:25 UTCMay 27, 02:29 UTC2h 5m -
2026-05-26 UAL1964 A12AC7 May 26, 22:25 UTCMay 27, 01:44 UTC3h 20m -
2026-05-26 UAL1964 A12AC7 May 26, 22:18 UTCMay 27, 02:00 UTC3h 42m -4m
2026-05-26 ASA263 A2EBBD May 26, 21:59 UTCMay 27, 02:19 UTC4h 20m -
2026-05-26 UAL1730 A12EE7 May 26, 06:44 UTCMay 26, 11:30 UTC4h 45m -
2026-05-26 DAL309 AB249E May 26, 06:29 UTCMay 26, 10:29 UTC4h 0m -
2026-05-26 ASA406 A5FEF4 May 26, 05:54 UTCMay 26, 09:45 UTC3h 50m -
2026-05-26 DAL309 AB249E May 26, 01:55 UTCMay 26, 02:15 UTC20m -
2026-05-26 UAL1730 A4493D May 26, 00:19 UTCMay 26, 02:35 UTC2h 15m -
2026-05-25 UAL1964 AA7E9A May 25, 22:10 UTCMay 26, 02:10 UTC4h 0m -
2026-05-25 ASA263 AC7A5B May 25, 21:09 UTCMay 26, 02:00 UTC4h 50m -
2026-05-25 UAL1730 A5D2F9 May 25, 06:30 UTCMay 25, 10:55 UTC4h 25m -
2026-05-25 UAL1730 A5D2F9 May 25, 06:22 UTCMay 25, 10:54 UTC4h 32m +2m
2026-05-25 DAL309 AAF1FA May 25, 05:55 UTCMay 25, 09:45 UTC3h 50m -
2026-05-25 ASA406 A4DF56 May 25, 05:50 UTCMay 25, 09:35 UTC3h 45m -
2026-05-25 UAL1730 A12B0A May 25, 01:55 UTCMay 25, 02:35 UTC40m -
2026-05-25 UAL1730 A12B0A May 25, 00:24 UTCMay 25, 02:34 UTC2h 10m -2m
2026-05-24 UAL1964 A12AE4 May 24, 23:00 UTCMay 24, 23:46 UTC46m -
2026-05-24 ASA263 A5939C May 24, 20:55 UTCMay 24, 23:46 UTC2h 51m -
2026-05-24 UAL1730 A44917 May 24, 06:35 UTCMay 24, 11:00 UTC4h 25m -
2026-05-24 DAL309 AB249E May 24, 05:40 UTCMay 24, 09:35 UTC3h 55m -
2026-05-24 ASA406 A59D63 May 24, 05:35 UTCMay 24, 09:20 UTC3h 45m -
2026-05-24 DAL309 AB249E May 24, 01:30 UTCMay 24, 01:45 UTC15m -
2026-05-24 UAL1964 A12AC3 May 24, 00:35 UTCMay 24, 04:35 UTC4h 0m -
2026-05-24 UAL1730 A449A8 May 24, 00:20 UTCMay 24, 02:30 UTC2h 10m -
2026-05-23 ASA263 A5B3AD May 23, 21:10 UTCMay 24, 02:05 UTC4h 55m -

IAD → SEA frequently asked

How long is the flight from IAD to SEA?
Average flight time on the IAD–SEA route is 3h 17m, covering approximately 174 km (108 mi).
What is the distance from IAD to SEA?
The great-circle distance from IAD to SEA is approximately 174 km (108 miles).
Which airlines fly from IAD to SEA?
3 airlines operate this route in our records: United Airlines, Delta Air Lines, Alaska Airlines.
How many flights per week from IAD to SEA?
We've observed ~6 flights per day on this route across our tracking data (321 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.