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

Date Range:

01-Apr-2024 to 31-May-2024

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
76%
Late
2
8%
Very Late
0
0%
Excessive
4
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
11
Codeshares
25
Average Delay (min.)
50.36363636363637
Standard Deviation
61.4
Min
0
Max
164

DL 3939 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 76%
Average Delay Time 50.36363636363637 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 50.36363636363637 min
This flight has an average delay of 50.36363636363637 minutes with a standard deviation of 61.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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