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(KE) Korean Air 6604 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(YYC) Calgary International Airport

Calgary, AB, CA

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
56%
Late
5
20%
Very Late
1
4%
Excessive
5
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
14
Codeshares
25
Average Delay (min.)
40.57142857142857
Standard Deviation
37.7
Min
0
Max
114

KE 6604 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 56%
Average Delay Time 40.57142857142857 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
0.1 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 40.57142857142857 min
This flight has an average delay of 40.57142857142857 minutes with a standard deviation of 37.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.