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.
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Cancelled
Please refer to the airline for the latest information
1h 32m
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
DL4639 Aircraft Details
Plane model info unavailable
Punctuality (Departure)
72
%
Punctuality (Arrival)
84
%
Early on average
1 minute
Age
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Seats
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Flight Distance
--
Economy
In-Flight Services
Unknown
Unknown
Unknown
Unknown
Seat Information
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Legroom
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Seat width
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Reclining Angle
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Seat layout example
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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 72% (Late on average 31 minutes), and the on-time arrival rate is 84% (Early on average 1 minute).
On-Time Departures
Punctuality
72
%
Late on average
31 minutes
Early
0
%
On time
72
%
30 mins late
12
%
60 mins late
8
%
90 mins late
8
%
Cancelled
0
%
On-Time Arrivals
Punctuality
84
%
Early on average
1 minute
Early
72
%
On time
12
%
30 mins late
8
%
60 mins late
0
%
90 mins late
8
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight dl4639?
Flight dl4639 has been canceled (status: Cancelled). Contact Delta Air Lines or your booking channel for rebooking or refund (updated Oct 27, 2026).Is flight dl4639 on time today?
Flight dl4639 has been canceled (status: Cancelled). 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 32 minutes; operating days may include Tuesday.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 (Cancelled, updated Oct 27, 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.
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