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(KE) Korean Air 3870 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
81%
Late
5
9%
Very Late
3
5%
Excessive
1
2%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
13
Codeshares
57
Average Delay (min.)
25
Standard Deviation
22.9
Min
0
Max
89

KE 3870 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 83%
Average Delay Time 25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 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 84% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 25 min
This flight has an average delay of 25 minutes with a standard deviation of 22.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.