Flight DL 3959: Seattle → Boise
Delta Air Lines4 October 2026DepartedUpdated 2 h 11 min ago, official airport data
Flight DL 3959, 4 October 2026
All flights Seattle → BoiseDeparted
Arrival
Boise BOI
We do not track the arrival airport.
Data from the official airport boards. Times are local to each airport.
- Distance
- ≈ 641 km
- Days of the week
Punctuality of flight DL 3959
The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.
Flight DL 3959: schedule and upcoming dates
- Days it flew in the last 60 days
- Usual departure time
- 12:39
Dates already on the boards
- Sun 4 OctDeparture 12:39Departed
Route of flight DL 3959
Departure airport: Seattle (SEA). Arrival airport: Boise (BOI). Distance between the airports: about 641 km in a straight line.
See also
Questions about flight DL 3959
Is flight DL 3959 on time today?
For 4 October 2026 the airport board shows flight DL 3959 as “Departed”. Departure: Seattle, 12:39.
Which terminal and gate does flight DL 3959 use?
Seattle (SEA): Gate B4. Gates are announced shortly before boarding and can change: check the screens at the airport.
How often is flight DL 3959 delayed?
The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.
On which days does flight DL 3959 operate?
In the last 60 days it was on the boards on: Sunday.