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(DL) Delta Air Lines 4440 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(ATW) Appleton International Airport

Appleton, WI, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
27
87%
Late
1
3%
Very Late
0
0%
Excessive
3
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
7
Codeshares
31
Average Delay (min.)
53.42857142857143
Standard Deviation
57.5
Min
0
Max
136

DL 4440 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 87%
Average Delay Time 53.42857142857143 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 60% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 53.42857142857143 min
This flight has an average delay of 53.42857142857143 minutes with a standard deviation of 57.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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