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(KL) KLM 3821 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(GLA) Glasgow Airport

Glasgow, SC, GB

(LSI) Sumburgh Airport

Shetland Islands, SC, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
34
68%
Late
5
10%
Very Late
2
4%
Excessive
3
6%
Cancelled
6
12%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
18
Codeshares
50
Average Delay (min.)
23.72222222222222
Standard Deviation
27.6
Min
0
Max
115

KL 3821 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 68%
Average Delay Time 23.72222222222222 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 23.72222222222222 min
This flight has an average delay of 23.72222222222222 minutes with a standard deviation of 27.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.