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(KE) Korean Air 3657 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
82%
Late
4
7%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
12
Codeshares
60
Average Delay (min.)
39.583333333333336
Standard Deviation
35.5
Min
0
Max
137

KE 3657 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 83%
Average Delay Time 39.583333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 39.583333333333336 min
This flight has an average delay of 39.583333333333336 minutes with a standard deviation of 35.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.