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Delta Air Lines

Is DL866 delayed?

Yes — DL866 is running 217 min late, now expected in Miami at 21:01 on Sep 7.

Usually on time: arrived within 15 min of schedule on 9 of the last 13 flights.

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

Estimated arrivalLast reported

217 min late

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Detroit

DTW

Scheduled

Sep 7

Arrival

Miami

MIA

Estimated

Scheduled 17:24

Sep 7

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual
Not available
Arrived

192 min late

Official source · Updated

Departure

Miami

MIA

Scheduled

Sep 7

Arrival

Detroit

DTW

Actual

Scheduled 21:55

Sep 8

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Also sold as AF2129, AF2208, AM4398, KL6559, LA6267, WS5557, WS6671

Route overview: Detroit → MiamiDTWMIA
Detroit → Miami
Route overview: Miami → DetroitMIADTW
Miami → Detroit

Recent arrivals

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

  • Miami → Detroit

    192 min late

  • Miami → Detroit

    On schedule (13 min behind)

  • Detroit → Miami

    14 min early

  • Miami → Detroit

    167 min late

  • Detroit → Miami

    On time

Is DL866 usually late?

Observation window: Sep 1, 2026 – Oct 1, 2026

Observed arrivals
13
On time
69%
of 13 arrivals
Late
31%
of 13 arrivals
Cancelled
0%
of 13 flights
Median arrival delay
0 min
9 in 10 arrived within
143 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
37 of 262
Cancelled today
1

Miami (MIA) departures

Left more than 15 min late
18 of 167
Cancelled today
0

Related flights

Other flights MIA → DTW

All Delta Air Lines flights

Flight history and details
DL866 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 7, 2026ArrivedMiamiDetroit192
Sep 6, 2026ArrivedMiamiDetroit13
Sep 6, 2026ArrivedDetroitMiami-14
Sep 5, 2026ArrivedMiamiDetroit167
Sep 5, 2026ArrivedDetroitMiami0
Sep 4, 2026ArrivedMiamiDetroit10
Sep 4, 2026ArrivedDetroitMiami-13
Sep 3, 2026ArrivedMiamiDetroit46
Sep 3, 2026ArrivedDetroitMiami-18
Sep 2, 2026ArrivedMiamiDetroit-42
Sep 2, 2026ArrivedDetroitMiami-30
Sep 1, 2026ArrivedMiamiDetroit33
Sep 1, 2026ArrivedDetroitMiami-7

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