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Delta Air Lines

Is DL7840 delayed?

Service date: · Scheduled arrival date; departure time unavailable (Asia/Seoul)

Arrived

3 min late

Official source · Updated

Departure

Boston

BOS

Scheduled

Not available

Arrival

Seoul

ICN

Actual

Scheduled 17:25

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual

Operating flight: KAL92

Route overview: Boston → SeoulBOSICN
Route overview

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • BOS → ICN

    3 min late

  • BOS → ICN

    1 min early

  • BOS → ICN

    On time

  • BOS → ICN

    5 min early

  • BOS → ICN

    54 min late
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
13
Arrivals over 15 minutes late
1
Observed cancellations
0
Observed occurrences
13

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

DL7840 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedBostonSeoul
3
Sep 15, 2026ArrivedBostonSeoul
-1
Sep 14, 2026ArrivedBostonSeoul
0
Sep 13, 2026ArrivedBostonSeoul
-5
Sep 12, 2026ArrivedBostonSeoul
54
Sep 11, 2026ArrivedBostonSeoul
9
Sep 10, 2026ArrivedBostonSeoul
9
Sep 9, 2026ArrivedBostonSeoul
7
Sep 8, 2026ArrivedBostonSeoul
2
Sep 7, 2026ArrivedBostonSeoul
-6
Sep 6, 2026ArrivedBostonSeoul
-38
Sep 5, 2026ArrivedBostonSeoul
13
Sep 4, 2026ArrivedBostonSeoul
-7

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