Delta Air Lines DL821 Flight Status
According to Trip.com real-time data, the DL821 flight operated by Delta Air Lines on Oct 22, 2026 is scheduled to fly from Atlanta (ATL) to Boston (BOS). The flight is expected to depart at 17:50 and land at 19:58 .
Wed, Oct 21
Thu, Oct 22
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Arrived
The flight has arrived 1h 6m late
2h 38m
Check-in Counter
45-72
Boarding Gate
D30
Arrival Gate
A21
Baggage
3
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Scheduled
Your flight will depart on time.
2h 40m
Check-in Counter
45-72
Boarding Gate
T8
Arrival Gate
A21
Baggage
3
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DL821 Aircraft Details
According to Trip.com real-time data, the DL821 flight flying from Atlanta to Boston on 10/22/2026 is operated by the aircraft model Airbus A321. This aircraft has been in service for 8y, 6m. The aircraft is equipped with 192 seats.
Airbus A321
Punctuality (Departure)
30
%
Punctuality (Arrival)
57
%
Late on average
24 minutes
Age
8y, 6m
Seats
192
Flight Distance
--
Economy
Business
First
Premium Economy
In-Flight Services
None
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seat Information
--
Legroom
46 cm
Seat width better than on 3% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width
135°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 3% of flights
120°
Reclining Angle
3-3
Seat layout example
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Recent Flight History for DL821
Trip.com historical records show that the last DL821 flight departed on Wed, Oct 21 from ATL at approximately 20:06. This flight is expected to arrrive in BOS at 22:14.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 16 | Atlanta (ATL) | Boston (BOS) | 321 | 19:27 | 21:21 | Arrived |
| Sat, Oct 17 | Atlanta (ATL) | Boston (BOS) | 321 | 18:38 | 20:45 | Arrived |
| Sun, Oct 18 | Atlanta (ATL) | Boston (BOS) | 321 | 17:58 | 20:11 | Arrived |
| Mon, Oct 19 | Atlanta (ATL) | Boston (BOS) | 321 | 17:59 | 20:02 | Arrived |
| Tue, Oct 20 | Atlanta (ATL) | Boston (BOS) | 321 | 18:42 | 20:44 | Arrived |
| Wed, Oct 21 | Atlanta (ATL) | Boston (BOS) | 321 | 20:06 | 22:14 | Arrived |
| Thu, Oct 22 | Atlanta (ATL) | Boston (BOS) | 321 | 17:50 | 19:58 | Scheduled |
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DL821 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL821 is 30% (Late on average 58 minutes), and the on-time arrival rate is 57% (Late on average 24 minutes).
On-Time Departures
Punctuality
30
%
Late on average
58 minutes
Early
0
%
On time
30
%
30 mins late
17
%
60 mins late
33
%
90 mins late
20
%
Cancelled
0
%
On-Time Arrivals
Punctuality
57
%
Late on average
24 minutes
Early
27
%
On time
30
%
30 mins late
30
%
60 mins late
13
%
90 mins late
0
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight dl821?
Flight dl821 has not departed yet and is currently on schedule. Scheduled departure 17:50, arrival 20:30 (updated Oct 22, 2026).Is flight dl821 on time today?
Flight dl821 has not departed yet and is currently on schedule. Scheduled departure is 17:50, with arrival at 20:30. Recheck gate and timing before you head to the airport.Has flight dl821 departed yet? What is the departure time?
Flight dl821 is scheduled to depart at 17:50. The latest actual or estimated departure time is 17:50, and the current status is Scheduled (updated Oct 22, 2026).When is flight dl821 scheduled to arrive?
Flight dl821 is scheduled to arrive at 20:30. The latest estimated or actual arrival time is 19:58. Status is Scheduled as of Oct 22, 2026.What is the gate information for flight dl821?
For flight dl821, the departure terminal is S and the boarding gate is T8. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight dl821?
After arrival, baggage for flight dl821 is expected at carousel 3 in terminal A. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight dl821 fly?
Flight dl821 is operated by Delta Air Lines from Atlanta (ATL) to Boston (BOS). Typical flight time is about 2 hours 40 minutes; operating days may include Thursday.How can I check real-time status for flight dl821?
Track flight dl821 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 dl821 is delayed or canceled, what should I do?
If dl821 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 22, 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 dl821 departed from Atlanta?
Flight dl821 has not departed from Atlanta (ATL) yet and is currently on schedule for 17:50.What is the seat configuration for flight dl821?
Flight dl821 usually flies a Airbus A321 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Partly cloudy
|
7°C - 13°C
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0 hour time difference
Time on arrival: Atlanta 19:58
|
Boston 19:58
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