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(KL) KLM 4771 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(BOM) Mumbai Chhatrapati Shivaji International Airport

Mumbai, IN

(CCU) Kolkata Netaji Subhas Chandra Bose Intl Airport

Kolkata, IN

On-Time Performance Chart

(using rounded numbers)
On-Time
35
59%
Late
12
20%
Very Late
3
5%
Excessive
3
5%
Cancelled
6
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
30
Codeshares
59
Average Delay (min.)
21.9
Standard Deviation
21.3
Min
0
Max
88

KL 4771 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 59%
Average Delay Time 21.9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 42% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. 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
4.3 of 5
Good
Average Delay Time 21.9 min
This flight has an average delay of 21.9 minutes with a standard deviation of 21.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.