DL3990 Delta Air Lines - Flight Status
Codeshare Flights
The flight WS5490 from WestJet (WS) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL3990. Check this page for details about flight DL3990.
Below, you can find details about Delta Air Lines flight DL3990, which currently operates between the airports of Louisville - Louisville Muhammad Ali International Airport (Airport Code SDF) and Detroit - Detroit Metropolitan Wayne County Airport (Airport Code DTW).
This flight data pertains specifically to the flight's details for Thursday, October 29, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL3990
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL3990
DL3990 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
DL3990 Delta Air Lines from Louisville
Landed - On-time
Flight Status for Thursday October 29, 2026
Landed - On-time
Flight Status for Thursday October 29, 2026
Airline information
Delta Air Lines
Equipment: Canadair (Bombardier) Regional Jet 900 and Challenger 890
Departure
Louisville (SDF)
October 29, 2026
Louisville Muhammad Ali International Airport
Departed at:
10:33 am
Terminal:
M
Gate:
A3
Scheduled Departure Time: 10:39 am
Arrival
Detroit (DTW)
October 29, 2026
Detroit Metropolitan Wayne County Airport
Arrived at:
11:53 am
Terminal:
M - McNamara
Gate:
A51
Scheduled Arrival Time: 12:04 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.detroit-airport.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:
- WS5490 - WestJet
Additional Information
Which is the frequency of flight DL3990?
The flight DL3990 is currently not scheduled at Detroit Metro Airport (DTW).
Which is the distance of flight DL3990?
The distance between the two airports is 306 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight DL3990 is currently not scheduled at Detroit Metro Airport (DTW).
Which is the distance of flight DL3990?
The distance between the two airports is 306 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 airlines serves the same route between Louisville and Detroit:
UPS
- Flight Number: 5X1482. (On Time performance: 49 - Average Delay: 22 minutes)
Delta Air Lines
- Flight Number: DL4634. (On Time performance: 86 - Average Delay: 12 minutes)
- Flight Number: DL5072. (On Time performance: 64 - Average Delay: 18 minutes)
- Flight Number: DL5078. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: DL5085. (On Time performance: 82 - Average Delay: 14 minutes)
- Flight Number: DL5101. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: DL5122. (On Time performance: 89 - Average Delay: 25 minutes)
- Flight Number: DL5824. (On Time performance: 95 - Average Delay: 5 minutes)
UPS
- Flight Number: 5X1482. (On Time performance: 49 - Average Delay: 22 minutes)
Delta Air Lines
- Flight Number: DL4634. (On Time performance: 86 - Average Delay: 12 minutes)
- Flight Number: DL5072. (On Time performance: 64 - Average Delay: 18 minutes)
- Flight Number: DL5078. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: DL5085. (On Time performance: 82 - Average Delay: 14 minutes)
- Flight Number: DL5101. (On Time performance: 95 - Average Delay: 2 minutes)
- Flight Number: DL5122. (On Time performance: 89 - Average Delay: 25 minutes)
- Flight Number: DL5824. (On Time performance: 95 - Average Delay: 5 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 October 06, 2025 to November 08, 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.
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 October 06, 2025 to November 08, 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 DL3990
Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
29 October
29 October
10:33 am
Louisville (SDF)
Louisville (SDF)
11:53 am
Detroit (DTW)
Detroit (DTW)
01h 20min
Canadair (Bomb
Canadair (Bomb
Landed - On-time