DL509 Delta Air Lines - Flight Status
Codeshare Flights
The flight AF5742 from Air France (AF) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL509. Check this page for details about flight DL509.
Below, you can find details about Delta Air Lines flight DL509, which currently operates between the airports of Detroit - Detroit Metropolitan Wayne County Airport (Airport Code DTW) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Saturday, December 20, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL509
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights DL509
DL509 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
DL509 Delta Air Lines to San Francisco
Scheduled - On-time
Flight Status for Saturday December 20, 2025
This flight is also scheduled for Tomorrow (December 21, 2025). See it here
Scheduled - On-time
Flight Status for Saturday December 20, 2025
Airline information
Delta Air Lines
Equipment: Boeing 737-900 (winglets) Passenger/BBJ3
Departure
Detroit (DTW)
December 20, 2025
Detroit Metropolitan Wayne County Airport
Estimated Departure Time:
08:10 pm
Terminal:
M - McNamara
Gate:
A40
Scheduled Departure Time: 08:10 pm
Arrival
San Francisco (SFO)
December 20, 2025
San Francisco International Airport
Estimated Arrival Time:
10:22 pm
Terminal:
1
Gate:
C5
Scheduled Arrival Time: 10:29 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:
- AF5742 - Air France
- KL7360 - KLM Royal Dutch Airlines
- VS1751 - Virgin Atlantic
Additional Information
Which is the frequency of flight DL509?
The flight DL509 is currently not scheduled at Detroit Metro Airport (DTW).
Which is the distance of flight DL509?
The distance between the two airports is 2075 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Detroit: 2025-12-20 17:02:35
Current Time in San Francisco: 2025-12-20 14:02:35
The flight DL509 is currently not scheduled at Detroit Metro Airport (DTW).
Which is the distance of flight DL509?
The distance between the two airports is 2075 miles.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Detroit: 2025-12-20 17:02:35
Current Time in San Francisco: 2025-12-20 14:02:35
Alternative Flights
The following airlines serves the same route between Detroit and San Francisco:
Delta Air Lines
- Flight Number: DL1327. (On Time performance: 72 - Average Delay: 25 minutes)
- Flight Number: DL361. (On Time performance: 78 - Average Delay: 16 minutes)
- Flight Number: DL442. (On Time performance: 77 - Average Delay: 18 minutes)
- Flight Number: DL469. (On Time performance: 78 - Average Delay: 34 minutes)
United Airlines
- Flight Number: UA2866. (On Time performance: 78 - Average Delay: 30 minutes)
- Flight Number: UA578. (On Time performance: 75 - Average Delay: 54 minutes)
Delta Air Lines
- Flight Number: DL1327. (On Time performance: 72 - Average Delay: 25 minutes)
- Flight Number: DL361. (On Time performance: 78 - Average Delay: 16 minutes)
- Flight Number: DL442. (On Time performance: 77 - Average Delay: 18 minutes)
- Flight Number: DL469. (On Time performance: 78 - Average Delay: 34 minutes)
United Airlines
- Flight Number: UA2866. (On Time performance: 78 - Average Delay: 30 minutes)
- Flight Number: UA578. (On Time performance: 75 - Average Delay: 54 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 Weekday: We have gathered available data from last six months, spanning from June 19, 2025 to August 10, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from December 02, 2024 to August 10, 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.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 19, 2025 to August 10, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from December 02, 2024 to August 10, 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 DL509
No flights for DL509 were scheduled in the past month. The last flight took place on Saturday, December 20, 2025