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(KL) KLM 4839 On-time Performance Rating

Date Range:

01-Sep-2019 to 31-Oct-2019

(LHR) London Heathrow Airport

London, EN, GB

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
80%
Late
4
7%
Very Late
4
7%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
22
Codeshares
56
Average Delay (min.)
26
Standard Deviation
35
Min
1
Max
167

KL 4839 On-time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 80%
Average Delay Time 26 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
2.7 of 5
Average
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 54% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 35 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.