DL3986 DTW → AZO

Delta Air Lines · Detroit, MI to Kalamazoo, MI · 329 flights observed, 2025-07-01 to 2026-06-30 · 113 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -9 min, while the worst 10% run +95 min or later.

DL3986 covers more than one route in the data window — the stats below are for DTW → AZO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-9 min
90th percentile
+95 min
Cancellation rate
2%

How often is DL3986 on time?

Across 329 flights on DTW → AZO from 2025-07-01 to 2026-06-30, DL3986 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +95 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time24777%
16-30 min93%
31-60 min175%
61-120 min268%
2+ hrs227%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073184%+6 min
2025-083168%+23 min
2025-093083%+1 min
2025-1031100%-13 min
2025-112488%+14 min
2025-1210%+67 min
2026-012638%+60 min
2026-022759%+46 min
2026-033070%+25 min
2026-042983%+7 min
2026-053177%+6 min
2026-063093%-10 min

Performance by day of week

DayFlightsOn-time
Mon4781%
Tue4676%
Wed4678%
Thu4680%
Fri4770%
Sat4276%
Sun4777%

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