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

Date Range:

01-Aug-2026 to 30-Sep-2026

(AZO) Kalamazoo - Battle Creek International Airport

Kalamazoo, MI, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
75%
Late
0
0%
Very Late
2
4%
Excessive
10
19%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
17
Codeshares
53
Average Delay (min.)
100.76470588235294
Standard Deviation
104
Min
0
Max
383

DL 3986 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 76%
Average Delay Time 100.76470588235294 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 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 54% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 100.76470588235294 min
This flight has an average delay of 100.76470588235294 minutes with a standard deviation of 104 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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