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(DL) Delta Air Lines 3993 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
74%
Late
3
8%
Very Late
0
0%
Excessive
6
16%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
18
Codeshares
38
Average Delay (min.)
51.666666666666664
Standard Deviation
102.9
Min
0
Max
442

DL 3993 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 74%
Average Delay Time 51.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 51.666666666666664 min
This flight has an average delay of 51.666666666666664 minutes with a standard deviation of 102.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.