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(DL) Delta Air Lines 4038 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
81%
Late
2
5%
Very Late
1
2%
Excessive
4
9%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
9
Codeshares
42
Average Delay (min.)
73.66666666666667
Standard Deviation
88.3
Min
0
Max
264

DL 4038 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 83%
Average Delay Time 73.66666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 73.66666666666667 min
This flight has an average delay of 73.66666666666667 minutes with a standard deviation of 88.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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