DL3899 ATW → DTW

Delta Air Lines · Appleton, WI to Detroit, MI · 172 flights observed, 2025-07-01 to 2025-12-19 · 296 mi

This flight has been getting less reliable recently — 2025-12's on-time rate (37%) is well below the 83% average from earlier months.

DL3899 covers more than one route in the data window — the stats below are for ATW → DTW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-11 min
90th percentile
+85 min
Cancellation rate
2%

How often is DL3899 on time?

Across 172 flights on ATW → DTW from 2025-07-01 to 2025-12-19, DL3899 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +85 min or later. 2% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time13178%
16-30 min32%
31-60 min117%
61-120 min138%
2+ hrs106%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073177%+8 min
2025-083194%-9 min
2025-093080%+10 min
2025-103190%-3 min
2025-112673%+12 min
2025-121937%+92 min

Performance by day of week

DayFlightsOn-time
Mon2378%
Tue2479%
Wed2488%
Thu2488%
Fri2580%
Sat2475%
Sun2458%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…