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(KL) KLM 3988 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(SAI) Siem Reap Angkor Airport

Siem Reap, KH

(BKK) Bangkok Suvarnabhumi International Airport

Bangkok, TH

On-Time Performance Chart

(using rounded numbers)
On-Time
49
80%
Late
7
11%
Very Late
2
3%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
18
Codeshares
61
Average Delay (min.)
28.38888888888889
Standard Deviation
24.6
Min
0
Max
107

KL 3988 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 80%
Average Delay Time 28.38888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 28.38888888888889 min
This flight has an average delay of 28.38888888888889 minutes with a standard deviation of 24.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.