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(KE) Korean Air 3949 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
73%
Late
1
2%
Very Late
4
6%
Excessive
10
16%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
27
Codeshares
60
Average Delay (min.)
47.888888888888886
Standard Deviation
52.4
Min
0
Max
176

KE 3949 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 75%
Average Delay Time 47.888888888888886 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 47.888888888888886 min
This flight has an average delay of 47.888888888888886 minutes with a standard deviation of 52.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.