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(KL) KLM 4991 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(TPE) Taiwan Taoyuan International Airport

Taipei, TW

(SYD) Sydney Kingsford Smith International Airport

Sydney, NSW, AU

On-Time Performance Chart

(using rounded numbers)
On-Time
19
51%
Late
11
30%
Very Late
5
14%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
34
Codeshares
37
Average Delay (min.)
17.61764705882353
Standard Deviation
13.9
Min
0
Max
49

KL 4991 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 51%
Average Delay Time 17.61764705882353 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 51%
This flight has an on-time performance of 51%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 17.61764705882353 min
This flight has an average delay of 17.61764705882353 minutes with a standard deviation of 13.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.