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(KL) KLM 6434 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(MFR) Rogue Valley International-Medford Airport

Medford, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
90%
Late
2
5%
Very Late
0
0%
Excessive
0
0%
Cancelled
2
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
5
Codeshares
41
Average Delay (min.)
14
Standard Deviation
9.3
Min
0
Max
27

KL 6434 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 90%
Average Delay Time 14 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 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 14 min
This flight has an average delay of 14 minutes with a standard deviation of 9.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.