DL4639 Delta Air Lines - Flight Status
Below, you can find details about Delta Air Lines flight DL4639, which currently operates between the airports of Detroit - Detroit Metropolitan Wayne County Airport (Airport Code DTW) and Buffalo - Buffalo Niagara International Airport (Airport Code BUF).
This flight data pertains specifically to the flight's details for Friday, November 13, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights DL4639
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights DL4639
DL4639 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
DL4639 Delta Air Lines to Buffalo
Landed - On-time
Flight Status for Friday November 13, 2026
This flight is also scheduled for Tomorrow (November 15, 2026). See it here
Landed - On-time
Flight Status for Friday November 13, 2026
Airline information
Delta Air Lines
Equipment: Canadair (Bombardier) Regional Jet 900 and Challenger 890
Departure
Detroit (DTW)
November 13, 2026
Detroit Metropolitan Wayne County Airport
Departed at:
06:53 am
Terminal:
M - McNamara
Gate:
B5
Scheduled Departure Time: 07:00 am
Arrival
Buffalo (BUF)
November 13, 2026
Buffalo Niagara International Airport
Arrived at:
07:56 am
Terminal:
M
Gate:
23
Scheduled Arrival Time: 08:20 am
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.
Additional Information
Which is the frequency of flight DL4639?
The flight DL4639 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight DL4639?
The distance between the two airports is 241 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight DL4639 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday on a weekly basis.
Which is the distance of flight DL4639?
The distance between the two airports is 241 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 Detroit and Buffalo:
Delta Air Lines - Flight Number: DL1872.
Delta Air Lines - Flight Number: DL1872.
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 May 10, 2026 to November 09, 2026. 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 January 19, 2026 to June 05, 2026. 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 Weekday: We have gathered available data from last six months, spanning from May 10, 2026 to November 09, 2026. 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 January 19, 2026 to June 05, 2026. 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 DL4639
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
13 November
13 November
06:53 am
Detroit (DTW)
Detroit (DTW)
07:56 am
Buffalo (BUF)
Buffalo (BUF)
01h 03min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
12 November
12 November
06:53 am
Detroit (DTW)
Detroit (DTW)
07:53 am
Buffalo (BUF)
Buffalo (BUF)
01h 00min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Wednesday
11 November
11 November
06:50 am
Detroit (DTW)
Detroit (DTW)
07:56 am
Buffalo (BUF)
Buffalo (BUF)
01h 06min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Tuesday
10 November
10 November
06:55 am
Detroit (DTW)
Detroit (DTW)
08:05 am
Buffalo (BUF)
Buffalo (BUF)
01h 10min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
09 November
09 November
06:56 am
Detroit (DTW)
Detroit (DTW)
08:02 am
Buffalo (BUF)
Buffalo (BUF)
01h 06min
Canadair (Bomb
Canadair (Bomb
Landed - On-time