route Route

SEA → KBOS

1,114 km avg 3h 3m 2 airlines

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
23:12 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
230° / 7 kt
Visibility
6 SM
Ceiling
OVC 3,300 ft
Temp / Dew
7°C / 6°C
Altimeter
29.77 inHg
Wx
-RA BR

Obs: 2026-04-15T05:53:00.000Z

Raw METAR / TAF
METAR KSEA 150553Z 23007KT 6SM -RA BR OVC033 07/06 A2977 RMK AO2 SLP088 P0015 60052 T00720061 10083 20072 55007

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 418 Departures
flight_land 471 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
02:12 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
250° / 11 kt
Visibility
10 SM
Ceiling
SCT 7,000 ft
Temp / Dew
19°C / 15°C
Altimeter
29.82 inHg

Obs: 2026-04-15T05:54:00.000Z

Raw METAR / TAF
METAR KBOS 150554Z 25011KT 10SM SCT070 19/15 A2982 RMK AO2 SLP097 60020 T01890150 10211 20139 56005

TAF KBOS 150532Z 1506/1612 24010KT P6SM SCT070 FM151200 32005KT P6SM SCT025 FM151500 08007KT 6SM BR BKN015 FM151700 09010KT P6SM BKN008 PROB30 1521/1602 2SM -TSRA OVC008CB FM160200 06004KT 3SM BR OVC008 WS020/23035KT PROB30 1605/1611 1SM -SHRA BR OVC006

flight Live Traffic

flight_takeoff 74 Departures
flight_land 93 Arrivals
Flights tracked
11
Avg duration
3h 3m
Distance
1,114 km

Live traffic

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

Airlines 2

Airline Flights shown
Alaska Airlines 6
Delta Air Lines 1

Other connections

More destinations from SEA

More origins to KBOS

Recent flights last 11

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-04-14 DAL473 A6BBEF Apr 14, 05:48 UTCApr 14, 10:28 UTC4h 40m +8m
2026-04-13 ASA460 ACB824 Apr 13, 23:30 UTCApr 13, 23:40 UTC10m -
2026-04-13 ASA1441 A4B420 Apr 13, 21:51 UTCApr 14, 01:15 UTC3h 24m +14m
2026-04-13 DAL474 A69F88 Apr 13, 23:01 UTCApr 14, 03:42 UTC4h 41m +6m
2026-04-13 DAL473 A6A33F Apr 13, 05:45 UTCApr 13, 10:27 UTC4h 42m +8m
2026-04-13 ASA460 A58C2E Apr 13, 01:05 UTCApr 13, 03:50 UTC2h 45m -
2026-04-13 DAL489 A47D05 Apr 13, 00:30 UTCApr 13, 03:40 UTC3h 10m -
2026-04-13 ASA1441 ACED21 Apr 13, 00:20 UTCApr 13, 00:50 UTC30m -
2026-04-12 ASA460 A58C2E Apr 12, 23:55 UTCApr 13, 03:50 UTC3h 55m -
2026-04-12 ASA1441 ACED21 Apr 12, 23:55 UTCApr 13, 00:50 UTC55m -
2026-04-12 ASA306 A9D9F2 Apr 12, 16:10 UTCApr 12, 20:50 UTC4h 40m +12m

SEA → KBOS frequently asked

How long is the flight from SEA to KBOS?
Average flight time on the SEA–KBOS route is 3h 3m, covering approximately 1,114 km (692 mi).
What is the distance from SEA to KBOS?
The great-circle distance from SEA to KBOS is approximately 1,114 km (692 miles).
Which airlines fly from SEA to KBOS?
2 airlines operate this route in our records: Alaska Airlines, Delta Air Lines.
How many flights per week from SEA to KBOS?
We've observed ~4 flights per day on this route across our tracking data (11 total flights recorded).
Can I track SEA–KBOS flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.