Is DL399 delayed?

No — DL399 landed in Atlanta 1 min early, at 18:45 on Sep 25 (as of Sep 25, 22:46 UTC). Over its last 22 recorded arrivals, 8 landed more than 15 min late.

Arrived

1 min early

Official source · Updated Sep 25, 2026, 22:46 UTC

Departure

Boston

BOS

Actual

16:38~~16:29~~

Sep 25

Arrival

Atlanta

ATL

Actual

18:45~~18:46~~

Sep 25

Times shown in airport local time

Service date: Sep 25, 2026 · Scheduled departure date (America/New_York)

Flight details

Departure · UTC

Scheduled: Sep 25, 2026, 20:29 UTC
Estimated: Not available
Actual: Sep 25, 2026, 20:38 UTC

Arrival · UTC

Scheduled: Sep 25, 2026, 22:46 UTC
Estimated: Not available
Actual: Sep 25, 2026, 22:45 UTC

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

Recent arrivals

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

Fri, Sep 25, 2026
BOS → ATL
1 min early
Thu, Sep 24, 2026
BOS → ATL
1 min early
Wed, Sep 23, 2026
BOS → ATL
27 min late
Tue, Sep 22, 2026
BOS → ATL
On schedule (5 min behind)
Mon, Sep 21, 2026
BOS → ATL
122 min late

Flight history and details

Aug 27, 2026 — Sep 26, 2026

Observed arrivals: 22
Arrivals over 15 minutes late: 8
Observed cancellations: 0
Observed occurrences: 24

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

DL399 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 25, 2026Arrived	Boston	Atlanta	Sep 25, 2026, 22:45 UTC View this flight’s market	-1
Sep 24, 2026Arrived	Boston	Atlanta	Sep 24, 2026, 22:45 UTC	-1
Sep 23, 2026Arrived	Boston	Atlanta	Sep 23, 2026, 23:19 UTC	27
Sep 22, 2026Arrived	Boston	Atlanta	Sep 22, 2026, 22:53 UTC	5
Sep 21, 2026Arrived	Boston	Atlanta	Sep 22, 2026, 00:49 UTC	122
Sep 20, 2026Arrived	Boston	Atlanta	Sep 20, 2026, 23:33 UTC	48
Sep 18, 2026Arrived	Boston	Atlanta	Sep 18, 2026, 22:56 UTC	10
Sep 17, 2026Arrived	Boston	Atlanta	Sep 18, 2026, 00:41 UTC	117
Sep 16, 2026Arrived	Boston	Atlanta	Sep 16, 2026, 22:55 UTC	12
Sep 15, 2026Arrived	Boston	Atlanta	Sep 15, 2026, 22:59 UTC	-4
Sep 14, 2026Arrived	Boston	Atlanta	Sep 14, 2026, 22:42 UTC	-21
Sep 11, 2026Arrived	Boston	Atlanta	Sep 12, 2026, 02:05 UTC	182
Sep 10, 2026Arrived	Boston	Atlanta	Sep 10, 2026, 23:42 UTC	39
Sep 9, 2026Arrived	Boston	Atlanta	Sep 9, 2026, 23:15 UTC	12
Sep 8, 2026Arrived	Boston	Atlanta	Sep 8, 2026, 22:59 UTC	-4
Sep 4, 2026Arrived	Boston	Atlanta	Sep 4, 2026, 23:14 UTC	-15
Sep 2, 2026Arrived	Boston	Atlanta	Sep 3, 2026, 00:41 UTC	71
Sep 1, 2026Arrived	Boston	Atlanta	Sep 2, 2026, 03:07 UTC	217
Aug 31, 2026Arrived	Boston	Atlanta	Aug 31, 2026, 22:59 UTC	-30
Aug 30, 2026Arrived	Boston	Atlanta	Aug 30, 2026, 23:01 UTC	-28
Aug 28, 2026Arrived	Boston	Atlanta	Aug 28, 2026, 23:12 UTC	-17
Aug 27, 2026Arrived	Boston	Atlanta	Aug 27, 2026, 23:26 UTC	-3