DL4440Delta Air Lines · ATW → DTW
live · 1h ago
Route confirmed Delta Air Lines

DL4440 AppletonATW DetroitDTW · 13:29

DL4440 by Delta Air Lines flies from Appleton (ATW) to Detroit (DTW).

Right nowNext departure today Operates daily
10:01

scheduled from ATW

Typical arrival−25 minmedian over 13 operations
Cancellation0 in 13tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-18
−27 arrival
10-17
+24 arrival
10-16
−19 arrival
10-15
−24 arrival
10-14
−30 arrival
10-12
−26 arrival
10-11
−21 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 −25 min · 0 cancelled · 13 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 DL4440 actually runs

Pro Flight Search has tracked every published board update for DL4440 across the ATW and DTW boards: schedule changes, gate pushes and actual clocks. Usually lands ~22 min early. Based on 13 confirmed landings · 11/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how DL4440 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
10-18ATW DTW 13:29 13:02 (−27)
10-17ATW DTW 13:29 13:53 (+24)
10-16ATW DTW 13:29 13:10 (−19)
10-15ATW DTW 13:29 13:05 (−24)
10-14ATW DTW 13:29 12:59 (−30)
10-12ATW DTW 13:29 13:03 (−26)
10-11ATW DTW 13:29 13:08 (−21)
10-10ATW DTW 13:29 13:04 (−25)
10-09ATW DTW 13:29 13:03 (−26)
10-08ATW DTW 13:29 12:59 (−30)
10-07ATW DTW 13:29 12:56 (−33)
10-06ATW DTW 13:29 18:26 (+297)
10-05ATW DTW 13:30 13:12 (−18)

Aircraft

Recent tails: N837SK, N554CA, N820SK, N899SK.

Board clocks recorded as ATW and DTW published them.

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 — DL4440 Appleton to Detroit on-time performance, measured from the ATW and DTW airport boards.

Canonical URL
https://proflightsearch.com/flight/DL4440
How we measure this →