DL4166Delta Air Lines · ATW → DTW
live · 2h ago
Route confirmed Delta Air Lines

DL4166 AppletonATW DetroitDTW · 20:09

DL4166 by Delta Air Lines flies from Appleton (ATW) to Detroit (DTW).

Right nowNext departure today Operates daily
16:34

scheduled from ATW

Typical arrival−26 minmedian over 14 operations
Cancellation0 in 14tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-16
−21 arrival
10-15
−26 arrival
10-14
−30 arrival
10-13
−40 arrival
10-12
−33 arrival
10-11
−30 arrival
10-10
−20 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −26 min · 0 cancelled · 14 operations tracked

The route today

live boards
ATWAppletonOn-time likelyATW delay board →
DTWDetroitOn-time likelyDTW delay board →
ATW→DTWevery carrier, schedules and on-time historyRoute intelligence →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How DL4166 actually runs

Pro Flight Search has tracked every published board update for DL4166 across the ATW and DTW boards: schedule changes, gate pushes and actual clocks. Usually lands ~26 min early. Based on 14 confirmed landings · 13/14 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL4166 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-16ATW DTW 20:09 19:48 (−21)
10-15ATW DTW 20:09 19:43 (−26)
10-14ATW DTW 20:09 19:39 (−30)
10-13ATW DTW 20:09 19:29 (−40)
10-12ATW DTW 20:09 19:36 (−33)
10-11ATW DTW 20:09 19:39 (−30)
10-10ATW DTW 20:09 19:49 (−20)
10-09ATW DTW 20:09 19:53 (−16)
10-08ATW DTW 20:09 19:32 (−37)
10-07ATW DTW 20:09 19:40 (−29)
10-06ATW DTW 20:09 19:44 (−25)
10-05ATW DTW 20:44 20:06 (−38)
10-04ATW DTW 20:44 21:33 (+49)
10-03ATW DTW 19:26 19:02 (−24)

Aircraft

Recent tails: N898SK, N821SK, N840SK, N820SK.

Board clocks recorded as ATW and DTW published them.

Planning around DL4166? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — DL4166 Appleton to Detroit on-time performance, measured from the ATW and DTW airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4166
How we measure this →