Delta Air Lines DL4639 Flight status
According to real-time data from Trip.com, flight DL4639, operated by Delta Air Lines, scheduled to fly from Buffalo (BUF) to Detroit (DTW), has been cancelled. Please contact the airline or airport counter for the latest information.
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Canceled
Please refer to the airline for the latest information
1h 19m
Check-in Counter
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Boarding Gate
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Arrival Gate
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Baggage
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DL4639 Aircraft Details
According to Trip.com real-time data, the DL4639 flight from Buffalo to Detroit on 11/11/2026 is operated using the aircraft model Bombardier Regional Jet 900. This aircraft has been in service for 18y, 10m. The aircraft has 76 seats.
Bombardier Regional Jet 900
Punctuality (Departure)
71
%
Punctuality (Arrival)
71
%
Late on average
1 minute
Age
18y, 10m
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
More legroom than on 33% of flights
44 cm
Seat width
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
Power outlet
Seat Information
94 cm
More legroom than on 25% of flights
50 cm
Seat width
135°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Unknown
No power outlets are available
Seat Information
86 cm
Legroom
44 cm
Seat width
120°
Reclining Angle
--
Seat layout example
See more amenities and seat info in the app
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DL4639 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of DL4639 is 71% (Late on average 36 minutes), and the on-time arrival rate is 71% (Late on average 1 minute).
On-Time Departures
Punctuality
71
%
Late on average
36 minutes
Early
14
%
On time
57
%
30 mins late
0
%
60 mins late
14
%
90 mins late
14
%
Cancelled
0
%
On-Time Arrivals
Punctuality
71
%
Late on average
1 minute
Early
71
%
On time
0
%
30 mins late
14
%
60 mins late
0
%
90 mins late
14
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight dl4639?
Flight dl4639 has been canceled (status: Canceled). Contact Delta Air Lines or your booking channel for rebooking or refund (updated Nov 11, 2026).Is flight dl4639 on time today?
Flight dl4639 has been canceled (status: Canceled). Contact Delta Air Lines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.What route does flight dl4639 fly?
Flight dl4639 is operated by Delta Air Lines from Buffalo (BUF) to Detroit (DTW). Typical flight time is about 1 hour 19 minutes; operating days may include Wednesday.How can I check real-time status for flight dl4639?
Track flight dl4639 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight dl4639 is delayed or canceled, what should I do?
If dl4639 is delayed or canceled, first confirm the latest status here (Canceled, updated Nov 11, 2026). Contact Delta Air Lines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight dl4639 departed from Buffalo?
Flight dl4639 has been canceled and did not depart from Buffalo (BUF). Contact Delta Air Lines or your booking channel for next steps.What is the seat configuration for flight dl4639?
Flight dl4639 usually flies a Bombardier Regional Jet 900 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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