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(KE) Korean Air 5177 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(CJJ) Cheongju International Airport

Cheongju, KR

(CJU) Jeju International Airport

Jeju, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
45
74%
Late
11
18%
Very Late
4
7%
Excessive
0
0%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
33
Codeshares
61
Average Delay (min.)
14.242424242424242
Standard Deviation
11.2
Min
0
Max
44

KE 5177 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 74%
Average Delay Time 14.242424242424242 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 14.242424242424242 min
This flight has an average delay of 14.242424242424242 minutes with a standard deviation of 11.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.