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(DL) Delta Air Lines 3981 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
94%
Late
0
0%
Very Late
1
3%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
5
Codeshares
32
Average Delay (min.)
58.4
Standard Deviation
102.5
Min
0
Max
240

DL 3981 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 94%
Average Delay Time 58.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 58.4 min
This flight has an average delay of 58.4 minutes with a standard deviation of 102.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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