| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 05 | DTW | BUF | 07:13 | 07:57 |
Landed
|
Track > |
| Jun 04 | DTW | BUF | 07:20 | 08:05 |
Landed
|
Track > |
| Jun 03 | DTW | BUF | 07:20 | 08:07 |
Landed
|
Track > |
| Jun 02 | DTW | BUF | 08:31 | 08:20 |
Unknown
|
Track > |
| Jun 01 | DTW | BUF | 07:23 | 08:20 |
En-Route
|
Track > |
| May 31 | DTW | BUF | 07:18 | 08:04 |
Landed
|
Track > |
| May 29 | DTW | BUF | 07:18 | 08:04 |
Landed
|
Track > |
| May 28 | DTW | BUF | 07:20 | 08:01 |
Landed
|
Track > |
| May 27 | DTW | BUF | 08:43 | 09:23 |
Delayed
|
Track > |
| May 26 | DTW | BUF | 09:30 | 08:20 |
Unknown
|
Track > |
Delta Air Lines Flight DL4639 connects Detroit, United States to Buffalo, United States, taking off from Detroit Metropolitan Wayne County Airport DTW and landing at Buffalo Niagara International Airport BUF.
How long is the DL4639 flight from Detroit to Buffalo?
The average flight time from Detroit to Buffalo is 44 minutes. The flight distance is 387 km / 240 miles and the average flight speed is 465 km/h / 289 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4639 Detroit to Buffalo?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4639 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL4639 flight?
The latest flight took off on Friday, June 5th, 2026 with the flight status being Landed on 07:57.
How else can the flight DL4639 be referenced as?
This Delta Air Lines flight can also be referenced as DAL4639, DL 4639, DAL 4639.
How often is flight DL4639 delayed?
On average, 10% of all DL4639 flights are delayed. The average delay is 63 minutes.
Can I get compensation for my delayed or cancelled DL4639 flight or baggage issues?
If your DL4639 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL4639 Flight Tracker above for more details.
Other flights departing from Detroit DTW: B6720, OO6465, AS381, DL3784
Other flights arriving at Buffalo BUF: F91692, DL5809, OO5690, DL4636
All flights connecting Detroit DTW to Buffalo BUF.