background

(DL) Delta Air Lines 7856 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ICN) Seoul Incheon International Airport

Seoul, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
27
45%
Late
12
20%
Very Late
9
15%
Excessive
12
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
49
Codeshares
60
Average Delay (min.)
44.46938775510204
Standard Deviation
69.4
Min
0
Max
317

DL 7856 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 45%
Average Delay Time 44.46938775510204 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 45%
This flight has an on-time performance of 45%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 44.46938775510204 min
This flight has an average delay of 44.46938775510204 minutes with a standard deviation of 69.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.