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Delta Air Lines

Is DL1399 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

Service date: · Scheduled departure date (America/New_York)

Arrived

1 min early

Official source · Updated

Departure

Miami

MIA

Scheduled

Sep 18

Arrival

Boston

BOS

Actual

Scheduled 15:03

Sep 18

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Service date: · Scheduled departure date (America/New_York)

Arrived

25 min late

Official source · Updated

Departure

Boston

BOS

Actual

Scheduled 07:18

Sep 18

Arrival

Miami

MIA

Actual

Scheduled 09:56

Sep 18

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Route overview: Miami → BostonMIABOS
Route overview
Route overview: Boston → MiamiBOSMIA
Route overview

Recent arrivals

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

  • MIA → BOS

    1 min early

  • BOS → MIA

    25 min late

  • BOS → MIA

    28 min early

  • MIA → BOS

    5 min late

  • BOS → MIA

    50 min early
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
46
Arrivals over 15 minutes late
13
Observed cancellations
1
Observed occurrences
51

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

DL1399 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 18, 2026ArrivedMiamiBoston
View this flight’s market
-1
Sep 18, 2026ArrivedBostonMiami
View this flight’s market
25
Sep 17, 2026ArrivedBostonMiami
-28
Sep 16, 2026ArrivedMiamiBoston
5
Sep 16, 2026ArrivedBostonMiami
-50
Sep 15, 2026ArrivedBostonMiami
-44
Sep 14, 2026ArrivedBostonMiami
-32
Sep 13, 2026ArrivedBostonMiami
-6
Sep 12, 2026ArrivedBostonMiami
11
Sep 11, 2026ArrivedMiamiBoston
41
Sep 11, 2026ArrivedBostonMiami
22
Sep 10, 2026ArrivedBostonMiami
2
Sep 9, 2026ArrivedBostonMiami
20
Sep 8, 2026ArrivedMiamiBoston
-12
Sep 8, 2026CancelledBostonMiamiNot available
Not available
Sep 7, 2026ArrivedMiamiBoston
-2
Sep 7, 2026ArrivedBostonMiami
15
Sep 6, 2026ArrivedMiamiBoston
-22
Sep 6, 2026ArrivedBostonMiami
-42
Sep 5, 2026ArrivedMiamiBoston
-14
Sep 5, 2026ArrivedBostonMiami
-29
Sep 4, 2026ArrivedMiamiBoston
38
Sep 4, 2026ArrivedBostonMiami
31
Sep 3, 2026ArrivedMiamiBoston
-25
Sep 3, 2026ArrivedBostonMiami
-4
Sep 2, 2026ArrivedBostonMiami
-20
Sep 1, 2026ArrivedMiamiBoston
73
Sep 1, 2026ArrivedBostonMiami
-31
Aug 31, 2026ArrivedMiamiBoston
-28
Aug 31, 2026ArrivedBostonMiami
-16
Aug 30, 2026ArrivedMiamiBoston
-30
Aug 30, 2026ArrivedBostonMiami
2
Aug 29, 2026ArrivedMiamiBoston
51
Aug 29, 2026ArrivedBostonMiami
19
Aug 28, 2026ArrivedMiamiBoston
-14
Aug 28, 2026ArrivedBostonMiami
-5
Aug 27, 2026ArrivedMiamiBoston
24
Aug 27, 2026ArrivedBostonMiami
-25
Aug 26, 2026ArrivedMiamiBoston
-18
Aug 26, 2026ArrivedBostonMiami
-21
Aug 25, 2026ArrivedMiamiBoston
-22
Aug 25, 2026ArrivedBostonMiami
-17
Aug 24, 2026ArrivedMiamiBoston
22
Aug 23, 2026ArrivedMiamiBoston
17
Aug 23, 2026ArrivedBostonMiami
-7
Aug 22, 2026ArrivedMiamiBoston
-39
Aug 22, 2026ArrivedBostonMiami
-25

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