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(KE) Korean Air 3437 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
74%
Late
6
11%
Very Late
2
4%
Excessive
6
11%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
23
Codeshares
57
Average Delay (min.)
35.08695652173913
Standard Deviation
47.1
Min
0
Max
180

KE 3437 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 74%
Average Delay Time 35.08695652173913 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 24% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
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 16% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 35.08695652173913 min
This flight has an average delay of 35.08695652173913 minutes with a standard deviation of 47.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.