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(KE) Korean Air 3143 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
46
74%
Late
7
11%
Very Late
3
5%
Excessive
3
5%
Cancelled
1
2%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
24
Codeshares
60
Average Delay (min.)
24.083333333333332
Standard Deviation
27.6
Min
0
Max
121

KE 3143 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 77%
Average Delay Time 24.083333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 24.083333333333332 min
This flight has an average delay of 24.083333333333332 minutes with a standard deviation of 27.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.