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(KE) Korean Air 5177 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(CJJ) Cheongju International Airport

Cheongju, KR

(CJU) Jeju International Airport

Jeju, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
42
69%
Late
12
20%
Very Late
3
5%
Excessive
3
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
42
Codeshares
61
Average Delay (min.)
18.857142857142858
Standard Deviation
22.7
Min
0
Max
125

KE 5177 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 69%
Average Delay Time 18.857142857142858 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 18.857142857142858 min
This flight has an average delay of 18.857142857142858 minutes with a standard deviation of 22.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.