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(AI) Air India 509 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(MAA) Chennai Airport

Chennai, IN

(COK) Cochin International Airport

Kochi, IN

On-Time Performance Chart

(using rounded numbers)
On-Time
5
23%
Late
9
41%
Very Late
6
27%
Excessive
1
5%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
24
Standard Deviation
13.2
Min
9
Max
60

AI 509 On-time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 23%
Average Delay Time 24 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 23%
This flight has an on-time performance of 23%. 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
2.9 of 5
Average
Average Delay Time 24 min
This flight has an average delay of 24 minutes with a standard deviation of 13.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.