The Seattle to Newark route connects Seattle–Tacoma International Airport (SEA) in US with Newark Liberty International Airport (EWR) in US. This medium-haul flight covers approximately 2398 miles (3859 km) with a typical flight time of 4h 39m. This route is served by 2 airlines: United, Alaska Airlines. AirportRoutes has tracked 6 unique flight numbers on this route.
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Seattle–Tacoma International Airport
KSEASEANewark Liberty International Airport
KEWREWR2
Operators6
Tracked Flights2398
Miles4h 39m
Flight Duration| Airline | ICAO | IATA |
|---|---|---|
| United |
UAL
|
UA
|
| Alaska Airlines |
ASA
|
AS
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 10 | 17% |
|
| Tuesday | 6 | 10% |
|
| Wednesday | 9 | 15% |
|
| Thursday | 9 | 15% |
|
| Friday | 9 | 15% |
|
| Saturday | 9 | 15% |
|
| Sunday | 8 | 13% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Alaska Airlines
ASA
/ AS
|
B39M | 09:59 9:59 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 19, 2026 | Active | |
|
United
UAL
/ UA
|
B38M | 07:25 7:25 AM (Representative) |
M
T
W
T
F
S
S
|
Jun 19, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 07:25 7:25 AM | United |
UAL
|
UA
|
| 09:59 9:59 AM | Alaska Airlines |
ASA
|
AS
|
Time Information
Times are shown in the departure airport's local timezone (KSEA - America/Los_Angeles).