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(KE) Korean Air 3989 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(LGA) New York LaGuardia Airport

New York, NY, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
82%
Late
5
8%
Very Late
2
3%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
18
Codeshares
61
Average Delay (min.)
33.77777777777778
Standard Deviation
40.3
Min
0
Max
153

KE 3989 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 82%
Average Delay Time 33.77777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 33.77777777777778 min
This flight has an average delay of 33.77777777777778 minutes with a standard deviation of 40.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.