Delta Air Lines DL399 Flight Status
Based on Trip.com’s real-time data, the DL399 flight operated by Delta Air Lines on May 18, 2026 is scheduled to fly from Boston (BOS) to Atlanta (ATL). The flight is expected to depart at 16:30 and land at 18:43 .
Sun, May 17
Mon, May 18
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Scheduled
Your flight will depart on time.
2h 56m
Check-in Counter
--
Boarding Gate
A13
Arrival Gate
E34
Baggage
5
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Scheduled
Your flight will depart on time.
2h 54m
Check-in Counter
--
Boarding Gate
A13
Arrival Gate
D16
Baggage
3
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Information provided by VariFlightVariFlight. For the latest updates, please refer to airport announcements or consult your airline. If this is not your flight, you can browse more options for flights from Boston to Atlanta to find your schedule.
DL399 Aircraft Details
According to Trip.com real-time data, the DL399 flight flying from Boston to Atlanta on 5/18/2026 is operated by the aircraft model Airbus A321. This aircraft has been in service for 8y, 4m. The aircraft is equipped with 192 seats.
Airbus A321
Punctuality (Departure)
60%
Punctuality (Arrival)
77%
Late on average
7 minutes
Age
8y, 4m
Seats
192
Distance
--
Economy
Business
First
Premium Economy
Onboard Amenities
None
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seating Plan
--
Legroom
46 cm
Seat width better than on 4% of flights
100°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seating Plan
94 cm
Legroom
53 cm
Seat width
135°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seating Plan
--
Legroom
--
Seat width
--
Reclining Angle
2-2
Seat layout example
Onboard Amenities
None
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seating Plan
86 cm
Legroom
46 cm
Seat width better than on 4% of flights
120°
Reclining Angle
3-3
Seat layout example
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Flight History for DL399
Trip.com historical records show that the last DL399 flight departed on Sun, May 17 from BOS at approximately 16:30. This flight is expected to arrrive in ATL at 18:43.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, May 12 | Boston (BOS) | Atlanta (ATL) | 321 | 16:30 | 18:54 | Scheduled |
| Wed, May 13 | Boston (BOS) | Atlanta (ATL) | 321 | 16:30 | 18:53 | Scheduled |
| Thu, May 14 | Boston (BOS) | Atlanta (ATL) | 321 | 16:30 | 18:52 | Scheduled |
| Fri, May 15 | Boston (BOS) | Atlanta (ATL) | 321 | 16:30 | 18:52 | Scheduled |
| Sat, May 16 | Boston (BOS) | Atlanta (ATL) | 321 | 15:30 | 17:47 | Scheduled |
| Sun, May 17 | Boston (BOS) | Atlanta (ATL) | 321 | 16:30 | 18:43 | Scheduled |
| Mon, May 18 | Boston (BOS) | Atlanta (ATL) | 321 | 16:30 | 18:43 | Scheduled |
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DL399 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL399 is 60% (Late on average 45 minutes), and the on-time arrival rate is 77% (Late on average 7 minutes).
On-Time Departures
Punctuality
60%
Late on average 45 minutes
Early
0%
On time
60%
30 mins late
10%
60 mins late
13%
90 mins late
17%
Cancelled
0%
On-Time Arrivals
Punctuality
77%
Late on average 7 minutes
Early
67%
On time
10%
30 mins late
13%
60 mins late
3%
90 mins late
7%
Cancelled
0%
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Destination Info: Atlanta Weather & Time
Partly clear with thunder and rain
|
19°C - 30°C
Expected weather conditions upon arrival
0 hour time difference
Time on arrival: Boston 18:43| Atlanta 18:43
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