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(KE) Korean Air 7311 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
72%
Late
5
8%
Very Late
1
2%
Excessive
6
10%
Cancelled
5
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
20
Codeshares
60
Average Delay (min.)
48.9
Standard Deviation
89.9
Min
0
Max
410

KE 7311 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 72%
Average Delay Time 48.9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. 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
0.5 of 5
Very Poor
Average Delay Time 48.9 min
This flight has an average delay of 48.9 minutes with a standard deviation of 89.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.