Delta Air Lines DL4639 Flight Status
According to real-time data from Trip.com, flight DL4639, operated by Delta Air Lines and scheduled to fly from Buffalo (BUF to Detroit (DTW), has been cancelled. Please contact the airline or airport counter for the latest information.
Mon, Jul 6
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Canceled
Please refer to the airline for the latest information
Check-in Counter
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Boarding Gate
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Arrival Gate
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Baggage
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Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from Buffalo to Detroit to find your schedule.
DL4639 Aircraft Details
According to Trip.com real-time data, the DL4639 flight flying from Buffalo to Detroit on 7/7/2026 is operated by the aircraft model Bombardier Regional Jet 900. This aircraft has been in service for 5y. The aircraft is equipped with 76 seats.
Bombardier Regional Jet 900
Punctuality (Departure)
67%
Punctuality (Arrival)
87%
Early on average
2 minutes
Age
5y
Seats
76
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
79 cm
Legroom
44 cm
Seat width
100°
Reclining Angle
--
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
94 cm
Legroom
50 cm
Seat width
135°
Reclining Angle
--
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
86 cm
Legroom
44 cm
Seat width
120°
Reclining Angle
--
Seat layout example
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Flight History for DL4639
Check more records from Trip.com about DL4639 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Jun 20 | Detroit (DTW) | Buffalo (BUF) | CR9 | -- | -- | Canceled |
| Mon, Jul 6 | Buffalo (BUF) | Detroit (DTW) | CR9 | -- | -- | Canceled |
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DL4639 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL4639 is 67% (Late on average 31 minutes), and the on-time arrival rate is 87% (Early on average 2 minutes).
On-Time Departures
Punctuality
67%
Late on average 31 minutes
Early
0%
On time
67%
30 mins late
20%
60 mins late
7%
90 mins late
7%
Canceled
0%
On-Time Arrivals
Punctuality
87%
Early on average 2 minutes
Early
70%
On time
17%
30 mins late
7%
60 mins late
0%
90 mins late
7%
Canceled
0%
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