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(DL) Delta Air Lines 3939 On-Time Performance Rating

Date Range:

01-Apr-2024 to 31-May-2024

(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
20
77%
Late
3
12%
Very Late
2
8%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
11
Codeshares
26
Average Delay (min.)
26.272727272727273
Standard Deviation
31.2
Min
0
Max
117

DL 3939 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 77%
Average Delay Time 26.272727272727273 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 26.272727272727273 min
This flight has an average delay of 26.272727272727273 minutes with a standard deviation of 31.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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