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(DL) Delta Air Lines 7857 On-time Performance Rating

Date Range:

15-Jul-2019 to 15-Sep-2019

(ICN) Incheon International Airport

Seoul, KR

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
53
84%
Late
4
6%
Very Late
1
2%
Excessive
5
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
63
Total Delays ( > 1 min )
27
Codeshares
63
Average Delay (min.)
19
Standard Deviation
28
Min
0
Max
93

DL 7857 On-time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 84%
Average Delay Time 19 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 19 min
This flight has an average delay of 19 minutes with a standard deviation of 28 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.