| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 05 | BUF | DTW | 09:02 | 09:45 |
Landed
|
Track > |
| Jun 04 | BUF | DTW | 09:06 | 09:47 |
Landed
|
Track > |
| Jun 03 | BUF | DTW | 10:20 | 10:59 |
Landed Late
|
Track > |
| Jun 02 | BUF | DTW | 11:19 | 10:17 |
Unknown
|
Track > |
| Jun 01 | BUF | DTW | 09:07 | 09:51 |
Landed
|
Track > |
| May 31 | BUF | DTW | 09:12 | 09:54 |
Landed
|
Track > |
| May 29 | BUF | DTW | 09:03 | 09:44 |
Landed
|
Track > |
| May 28 | BUF | DTW | 09:06 | 09:50 |
Landed
|
Track > |
| May 27 | BUF | DTW | 10:13 | 10:55 |
Landed Late
|
Track > |
| May 26 | BUF | DTW | 11:03 | 10:17 |
Unknown
|
Track > |
Delta Air Lines Flight DL4639 connects Buffalo, United States to Detroit, United States, taking off from Buffalo Niagara International Airport BUF and landing at Detroit Metropolitan Wayne County Airport DTW.
How long is the DL4639 flight from Buffalo to Detroit?
The average flight time from Buffalo to Detroit is 42 minutes. The flight distance is 387 km / 240 miles and the average flight speed is 503 km/h / 313 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4639 Buffalo to Detroit?
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.
Which terminal is the flight DL4639 arriving at?
Flight DL4639 arrives at Detroit Metropolitan Wayne County Airport (DTW) Terminal M.
When was the latest DL4639 flight?
The latest flight took off on Friday, June 5th, 2026 with the flight status being Landed on 09:45.
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, 20% of all DL4639 flights are delayed. The average delay is 40 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.
Flight DL4639 is code-shared by 1 airline using the flight number KE3388
Other flights departing from Buffalo BUF: DL2050, DL5842, DL5366, DL5223
Other flights arriving at Detroit DTW: DL5095, DL3961, DL3784, OO3878
All flights connecting Buffalo BUF to Detroit DTW.