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(AI) Air India 539 On-Time Performance Rating

Date Range:

15-Aug-2021 to 15-Oct-2021

(MAA) Chennai Airport

Chennai, IN

(DEL) Indira Gandhi International Airport

Delhi, IN

On-Time Performance Chart

(using rounded numbers)
On-Time
53
85%
Late
6
10%
Very Late
2
3%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
20
Standard Deviation
29
Min
2
Max
135

AI 539 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 86%
Average Delay Time 20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 20 min
This flight has an average delay of 20 minutes with a standard deviation of 29 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.