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(KL) KLM 4990 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(SYD) Sydney Kingsford Smith International Airport

Sydney, NSW, AU

(TPE) Taiwan Taoyuan International Airport

Taipei, TW

On-Time Performance Chart

(using rounded numbers)
On-Time
31
91%
Late
1
3%
Very Late
0
0%
Excessive
1
3%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
2
Codeshares
34
Average Delay (min.)
491.5
Standard Deviation
664
Min
0
Max
961

KL 4990 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 91%
Average Delay Time 491.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 491.5 min
This flight has an average delay of 491.5 minutes with a standard deviation of 664 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.