Delta Air Lines
flight
DL 4090:
Seattle-Tacoma - Boise
Seattle-Tacoma - Boise
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4090
Effective 2026-01-05 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective 2026-05-07 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective 2026-05-25 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective 2026-09-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:27, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective 2026-01-19 through 2026-02-06
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Operates only on 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:29, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4090
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E7W)
The flight arrives 1 day after departure.
Embraer EMB 175 (E7W)
The flight arrives 1 day after departure.
Direct Flights:
Delta Air Lines DL4090
Valid until 2026-01-04
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E7W)
The flight arrives 1 day after departure.
Embraer EMB 175 (E7W)
The flight arrives 1 day after departure.
- DL 4090 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Boise airport (BOI).
- The flight distance is 398 miles, or 641 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 1:26 and 1:35.