| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 03 | BOS | ICN | 13:12 | 17:18 |
Landed
|
Track > |
| Sep 02 | BOS | ICN | 13:22 | 17:43 |
Landed Late
|
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| Sep 01 | BOS | ICN | 13:12 | 17:08 |
Landed
|
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| Aug 31 | BOS | ICN | 13:34 | 17:38 |
Landed
|
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| Aug 30 | BOS | ICN | 13:14 | 17:12 |
Landed
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| Aug 29 | BOS | ICN | 13:12 | 17:09 |
Landed
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| Aug 28 | BOS | ICN | 13:15 | 17:20 |
Landed
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| Aug 27 | BOS | ICN | 13:15 | 17:38 |
Landed
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| Aug 26 | BOS | ICN | 13:10 | 17:27 |
Landed
|
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| Aug 25 | BOS | ICN | 13:53 | 18:08 |
Landed Late
|
Track > |
Delta Air Lines Flight DL7840 connects Boston, United States to Seoul, South Korea, taking off from Boston Logan International Airport BOS and landing at Seoul Incheon International Airport ICN.
How long is the DL7840 flight from Boston to Seoul?
The average flight time from Boston to Seoul is 15 hours and 8 minutes. The flight distance is 10963 km / 6812 miles and the average flight speed is 724 km/h / 450 mph.
How many DL7840 flights are operated per week?
6 flights per week. The flight DL7840 is operated on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL7840 Boston to Seoul?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL7840 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL7840 arriving at?
Flight DL7840 arrives at Seoul Incheon International Airport (ICN) Terminal 2.
When was the latest DL7840 flight?
The latest flight took off on Friday, September 4th, 2026 with the flight status being Landed on 17:18.
How else can the flight DL7840 be referenced as?
This Delta Air Lines flight can also be referenced as DAL7840, DL 7840, DAL 7840.
How often is flight DL7840 delayed?
On average, 50% of all DL7840 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled DL7840 flight or baggage issues?
If your DL7840 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our DL7840 Flight Tracker above for more details.
Other flights departing from Boston BOS: KE92, AA2086, B6717, YX5829
Other flights arriving at Seoul ICN: KE92, AC61, KE622, FM827
All flights connecting Boston BOS to Seoul ICN.
