DL4021 Delta Air Lines - Flight Status
Below, you can find details about Delta Air Lines flight DL4021, which currently operates between the airports of Salt Lake City - Salt Lake City International Airport (Airport Code SLC) and Boise - Boise Air Terminal (Airport Code BOI).
This flight data pertains specifically to the flight's details for Tuesday, June 17, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL4021
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL4021
DL4021 On Time performance:
100
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
DL4021 Delta Air Lines from Salt Lake City
Scheduled - On-time
Flight Status for Tuesday June 17, 2025
This flight was also scheduled for Yesterday (June 16, 2025). See it here
This flight is also scheduled for Tomorrow (June 18, 2025). See it here
Scheduled - On-time
Flight Status for Tuesday June 17, 2025
Airline information
Delta Air Lines
Equipment: Embraer 175 (Enhanced Winglets)
Departure
Salt Lake City (SLC)
June 17, 2025
Salt Lake City International Airport
Estimated Departure Time:
08:45 pm
Terminal:
M
Gate:
A34
Scheduled Departure Time: 08:45 pm
Arrival
Boise (BOI)
June 17, 2025
Boise Air Terminal
Estimated Arrival Time:
09:47 pm
Gate:
B20
Scheduled Arrival Time: 10:02 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:
- AM4325 - Aeromexico
- KE3329 - Korean Air
- KL6252 - KLM Royal Dutch Airlines
- VS3697 - Virgin Atlantic
Additional Information
Which is the frequency of flight DL4021?
The flight DL4021 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight DL4021?
The distance between the two airports is 290 miles.
Which is the flight time of flight DL4021?
The scheduled flight time gate to gate is: 01:17 hours.
The real flight time gate to gate on average is: 01:10 hours.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight DL4021 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight DL4021?
The distance between the two airports is 290 miles.
Which is the flight time of flight DL4021?
The scheduled flight time gate to gate is: 01:17 hours.
The real flight time gate to gate on average is: 01:10 hours.
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 Salt Lake City and Boise:
Delta Air Lines - Flight Number: DL1744. (On Time performance: 93 - Average Delay: 3 minutes)
Delta Air Lines - Flight Number: DL1744. (On Time performance: 93 - Average Delay: 3 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
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: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from June 08, 2025 to June 13, 2025, we have obtained these figures.
Total number of flights: 6
On Time: 6 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 0 minutes.
Total number of flights: 6
On Time: 6 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 0 minutes.
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights DL4021
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
16 June
16 June
08:44 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
09:53 pm
Boise (BOI)
Boise (BOI)
01h 09min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
15 June
15 June
08:44 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
09:49 pm
Boise (BOI)
Boise (BOI)
01h 05min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Friday
13 June
13 June
08:40 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
09:51 pm
Boise (BOI)
Boise (BOI)
01h 11min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Thursday
12 June
12 June
08:40 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
09:45 pm
Boise (BOI)
Boise (BOI)
01h 05min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Wednesday
11 June
11 June
08:43 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
09:59 pm
Boise (BOI)
Boise (BOI)
01h 16min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Tuesday
10 June
10 June
08:40 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
09:48 pm
Boise (BOI)
Boise (BOI)
01h 08min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Monday
09 June
09 June
08:46 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
10:02 pm
Boise (BOI)
Boise (BOI)
01h 16min
Embraer 175 (E
Embraer 175 (E
Landed - On-time
Sunday
08 June
08 June
08:45 pm
Salt Lake City (SLC)
Salt Lake City (SLC)
09:54 pm
Boise (BOI)
Boise (BOI)
01h 09min
Embraer 175 (E
Embraer 175 (E
Landed - On-time