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Delta Air Lines

Is DL4166 delayed?

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

Service date: · Scheduled departure date (UTC)

Arrived

2 min late

Official source · Updated

Departure

Appleton

ATW

Actual

Scheduled 23:23

Sep 11

Arrival

Detroit

DTW

Actual

Scheduled 20:09

Sep 11

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

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

Arrived

14 min late

Official source · Updated

Departure

Detroit

DTW

Scheduled

Sep 11

Arrival

Appleton

ATW

Actual

Scheduled 22:07

Sep 11

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • DTW → ATW

    22 min late

  • DTW → ATW

    1 min late

  • ATW → DTW

    3 min early

  • DTW → ATW

    7 min early

  • DTW → ATW

    9 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
25
Arrivals over 15 minutes late
7
Observed cancellations
0
Observed occurrences
36

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

DL4166 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedDetroitAppleton
View this flight’s market
22
Sep 15, 2026ArrivedDetroitAppleton
1
Sep 14, 2026ArrivedAppletonDetroit
-3
Sep 14, 2026ArrivedDetroitAppleton
-7
Sep 13, 2026ArrivedDetroitAppleton
-9
Sep 12, 2026ArrivedDetroitAppleton
12
Sep 11, 2026ArrivedAppletonDetroit
2
Sep 11, 2026ArrivedDetroitAppleton
14
Sep 10, 2026ArrivedAppletonDetroit
10
Sep 10, 2026ArrivedDetroitAppleton
4
Sep 9, 2026ArrivedAppletonDetroit
-2
Sep 9, 2026ArrivedDetroitAppleton
13
Sep 8, 2026ArrivedAppletonDetroit
-5
Sep 8, 2026ArrivedDetroitAppleton
23
Sep 7, 2026ArrivedAppletonDetroit
34
Sep 7, 2026ArrivedDetroitAppleton
58
Sep 6, 2026ArrivedAppletonDetroit
0
Sep 6, 2026ArrivedDetroitAppleton
23
Sep 5, 2026ArrivedAppletonDetroit
2
Sep 5, 2026ArrivedDetroitAppleton
0
Sep 4, 2026ArrivedAppletonDetroit
119
Sep 4, 2026ArrivedDetroitAppleton
153
Sep 1, 2026ArrivedDetroitAppleton
-29
Aug 31, 2026ArrivedDetroitAppleton
-14
Aug 26, 2026ArrivedDetroitAppleton
-10

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