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(KE) Korean Air 3959 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
43%
Late
8
14%
Very Late
9
16%
Excessive
10
18%
Cancelled
3
5%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
36
Codeshares
54
Average Delay (min.)
40.888888888888886
Standard Deviation
40.7
Min
0
Max
172

KE 3959 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 44%
Average Delay Time 40.888888888888886 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
This flight has an on-time performance of 44%. 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
1.5 of 5
Poor
Average Delay Time 40.888888888888886 min
This flight has an average delay of 40.888888888888886 minutes with a standard deviation of 40.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.