background

(AZ) Alitalia 3999 On-time Performance Rating

Date Range:

15-Dec-2018 to 15-Feb-2019

(BRS) Bristol Airport

Bristol, EN, GB

(AMS) Amsterdam Airport Schiphol

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
52
87%
Late
2
3%
Very Late
3
5%
Excessive
2
3%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
15
Codeshares
60
Average Delay (min.)
37
Standard Deviation
59.3
Min
0
Max
191

AZ 3999 On-time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 87%
Average Delay Time 37 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 37 min
This flight has an average delay of 37 minutes with a standard deviation of 59.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.