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(DL) Delta Air Lines 3986 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(AZO) Kalamazoo - Battle Creek International Airport

Kalamazoo, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
73%
Late
1
4%
Very Late
1
4%
Excessive
4
15%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
7
Codeshares
25
Average Delay (min.)
102.85714285714286
Standard Deviation
114.4
Min
0
Max
342

DL 3986 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 76%
Average Delay Time 102.85714285714286 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 102.85714285714286 min
This flight has an average delay of 102.85714285714286 minutes with a standard deviation of 114.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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