Informational Guide to Boise Air Terminal Airport (BOI) - Non Official

DL3978 Delta Air Lines - Flight Status

Below, you can find details about Delta Air Lines flight DL3978, which currently operates between the airports of Boise - Boise Air Terminal (Airport Code BOI) and Salt Lake City - Salt Lake City International Airport (Airport Code SLC).
This flight data pertains specifically to the flight's details for Saturday, December 20, 2025.

DL3978 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

DL3978 Delta Air Lines to Salt Lake City

Landed - On-time
Flight Status for Saturday December 20, 2025
This flight is also scheduled for Today (December 21, 2025). See it here
This flight is also scheduled for Tomorrow (December 22, 2025). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Embraer 175

Departure

Boise (BOI)
December 20, 2025
Boise Air Terminal
Departed at:
06:33 pm
Gate:
B22
Scheduled Departure Time: 06:19 pm

Arrival

Salt Lake City (SLC)
December 20, 2025
Salt Lake City International Airport
Arrived at:
07:36 pm
Terminal:
M
Gate:
A18
Scheduled Arrival Time: 07:42 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-boise.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- LA8854 - LATAM Airlines

Additional Information

Which is the frequency of flight DL3978?
The flight DL3978 is currently not scheduled at Boise Airport (BOI).

Which is the distance of flight DL3978?
The distance between the two airports is 290 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airline serve the same route between Boise and Salt Lake City:
Delta Air Lines - Flight Number: DL1744. (On Time performance: 92 - Average Delay: 7 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from December 19, 2024 to January 05, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights DL3978

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
20 December
06:33 pm
Boise (BOI)
07:36 pm
Salt Lake City (SLC)
01h 03min
Embraer 175
Embraer 175
Landed - On-time