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(AI) Air India 439 On-time Performance Rating

Date Range:

15-Feb-2018 to 15-Apr-2018

(DEL) Indira Gandhi International AirportDelhi, IN
(MAA) Chennai AirportChennai, IN
On-Time Performance Chart
(using rounded numbers)
On-Time
29
47%
Late
16
26%
Very Late
10
16%
Excessive
7
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
49
Codeshares
0
Average Delay (min.)
27
Standard Deviation
31.6
Min
0
Max
196
AI 439 On-time Performance Details
Overall Rating
1.6 of 5
Average
Percentage On-Time 47%
Average Delay Time 27 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 47%
This flight has an on-time performance of 47%. 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
3.1 of 5
Average
Average Delay Time 27 min
This flight has an average delay of 27 minutes with a standard deviation of 31.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.