Delta Air Lines DL7840 Flight Status
According to Trip.com real-time data, the DL7840 flight operated by Delta Air Lines on Mar 13, 2026, scheduled to fly from Boston (BOS) to Seoul (ICN), has a change in flight status: the original departure time has been delayed, and the new departure time is 12:45 , with a new arrival time of 16:49 (local time in Seoul, UTC+9) . Trip.com will continue to provide the latest updates on this flight.
Thu, Mar 12
Fri, Mar 13
Sat, Mar 14
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Arrived
The flight has arrived 12m early
15h 35m
Check-in Counter
20-26
Boarding Gate
E11
Arrival Gate
256
Baggage
16
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Delayed
Your flight is about 45m late
15h 35m
Check-in Counter
20-26
Boarding Gate
E9
Arrival Gate
275
Baggage
12
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Scheduled
Your flight will depart on time.
15h 35m
Check-in Counter
20-26
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline.
DL7840 Aircraft Details
Boeing 777-300ER
Punctuality (Departure)
20%
Punctuality (Arrival)
67%
Late on average
22 minutes
Age
10y, 4m
Seats
277
Flight Distance
--
Economy
Business
First
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi is unavailable
USB port and power outlet
Seat Information
--
Legroom
46 cm
Seat width
118°
Reclining Angle
3-3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi is unavailable
USB port and power outlet
Seat Information
191 cm
More legroom than on 50% of flights
53 cm
Seat width better than on 50% of flights
180°
Reclining Angle Fully reclinable
2-2-2
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi is unavailable
USB port and power outlet
Seat Information
211 cm
Legroom
61 cm
Seat width
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
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Flight History for DL7840
Trip.com historical records show that the last DL7840 flight departed on Thu, Mar 12 from BOS at approximately 13:27. This flight is expected to arrrive in ICN at 16:43.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Mar 9 | Boston (BOS) | Seoul (ICN) | B77W | 12:20 | 16:17 | Arrived |
| Tue, Mar 10 | Boston (BOS) | Seoul (ICN) | B77W | 12:59 | 17:02 | Arrived |
| Wed, Mar 11 | Boston (BOS) | Seoul (ICN) | B77W | 13:06 | 16:32 | Arrived |
| Thu, Mar 12 | Boston (BOS) | Seoul (ICN) | B77W | 13:27 | 16:43 | Arrived |
| Fri, Mar 13 | Boston (BOS) | Seoul (ICN) | B77W | 12:45 | 16:49 | Delayed |
| Sat, Mar 14 | Boston (BOS) | Seoul (ICN) | B77W | 12:00 | 16:35 | Scheduled |
| Sun, Mar 15 | Boston (BOS) | Seoul (ICN) | B77W | 12:00 | 16:35 | Scheduled |
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DL7840 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of DL7840 is 20% (Late on average 49 minutes), and the on-time arrival rate is 67% (Late on average 22 minutes).
On-Time Departures
Punctuality
20%
Late on average 49 minutes
Early
0%
On time
20%
30 mins late
50%
60 mins late
27%
90 mins late
3%
Cancelled
1%
On-Time Arrivals
Punctuality
67%
Late on average 22 minutes
Early
30%
On time
37%
30 mins late
10%
60 mins late
20%
90 mins late
3%
Cancelled
1%
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Arrival Info: Seoul Weather & Current Time
Clear with poor air quality
|
-°C - 12°C
Weather forecast for your arrival day
13 hour time difference
Time on arrival: Boston 03:35| Seoul 16:35
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