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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