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

Date Range:

01-Nov-2025 to 31-Dec-2025

(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
20
71%
Late
1
4%
Very Late
0
0%
Excessive
3
11%
Cancelled
4
14%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
7
Codeshares
28
Average Delay (min.)
95.28571428571429
Standard Deviation
132.2
Min
0
Max
342

DL 3986 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 71%
Average Delay Time 95.28571428571429 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 95.28571428571429 min
This flight has an average delay of 95.28571428571429 minutes with a standard deviation of 132.2 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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