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Delta Air Lines

Is DL3856 delayed?

No — DL3856 landed in Buffalo 3 min early, at 19:00 on Sep 29 (as of Sep 29, 23:06 UTC).

Usually on time: arrived within 15 min of schedule on 20 of the last 30 flights.

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

Arrived

3 min early

Official source · Updated

Departure

Detroit

DTW

Actual

Scheduled 17:53

Sep 29

Arrival

Buffalo

BUF

Actual

Scheduled 19:04

Sep 29

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

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.

Arrived

23 min early

Official source · Updated

Departure

Buffalo

BUF

Actual

Scheduled 20:01

Sep 29

Arrival

Detroit

DTW

Actual

Scheduled 21:00

Sep 29

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

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.

Recent arrivals

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

  • Buffalo → Detroit

    23 min early
  • Detroit → Buffalo

    3 min early
  • Buffalo → Detroit

    On schedule (6 min behind)
  • Detroit → Buffalo

    On schedule (4 min behind)
  • Buffalo → Detroit

    2 min early

Is DL3856 usually late?

Observation window: Aug 31, 2026 – Sep 30, 2026

Observed arrivals
30
On time
67%
of 30 arrivals
Late
33%
of 30 arrivals
Cancelled
0%
of 34 flights
Median arrival delay
5 min
9 in 10 arrived within
31 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. 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

At the airports today

Detroit (DTW) departures

Left more than 15 min late
39 of 298
Cancelled today
0

All Delta Air Lines flights

Flight history and details
DL3856 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 29, 2026ArrivedBuffaloDetroit-23
Sep 29, 2026ArrivedDetroitBuffalo-3
Sep 28, 2026ArrivedBuffaloDetroit6
Sep 28, 2026ArrivedDetroitBuffalo4
Sep 27, 2026ArrivedBuffaloDetroit-2
Sep 27, 2026ArrivedDetroitBuffalo-3
Sep 25, 2026ArrivedBuffaloDetroit31
Sep 25, 2026ArrivedDetroitBuffalo6
Sep 24, 2026ArrivedDetroitBuffalo9
Sep 23, 2026ArrivedBuffaloDetroit0
Sep 23, 2026ArrivedDetroitBuffalo2
Sep 22, 2026ArrivedBuffaloDetroit-3
Sep 22, 2026ArrivedDetroitBuffalo-4
Sep 21, 2026ArrivedBuffaloDetroit16
Sep 21, 2026ArrivedDetroitBuffalo21
Sep 20, 2026ArrivedBuffaloDetroit112
Sep 20, 2026ArrivedDetroitBuffalo118
Sep 17, 2026ArrivedBuffaloDetroit10
Sep 17, 2026ArrivedDetroitBuffalo-1
Sep 16, 2026ArrivedBuffaloDetroit17
Sep 16, 2026ArrivedDetroitBuffalo15
Sep 15, 2026ArrivedBuffaloDetroit32
Sep 14, 2026ArrivedBuffaloDetroit-4
Sep 14, 2026ArrivedDetroitBuffalo8
Sep 13, 2026ArrivedDetroitBuffalo-2
Sep 7, 2026ArrivedSalt Lake CitySanta Ana-12
Sep 4, 2026ArrivedSanta AnaSalt Lake City-27
Sep 4, 2026ArrivedSalt Lake CitySanta Ana0
Sep 2, 2026ArrivedSalt Lake CitySanta Ana-15
Aug 31, 2026ArrivedSalt Lake CitySanta Ana20

Email me if DL3856 runs late

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