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

Date Range:

01-Mar-2026 to 30-Apr-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
44
71%
Late
3
5%
Very Late
2
3%
Excessive
11
18%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
26
Codeshares
61
Average Delay (min.)
60.88461538461539
Standard Deviation
77.6
Min
0
Max
295

DL 3986 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 72%
Average Delay Time 60.88461538461539 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 6% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 60.88461538461539 min
This flight has an average delay of 60.88461538461539 minutes with a standard deviation of 77.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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