background

(AI) Air India 309 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(MEL) Melbourne Tullamarine Airport

Melbourne, VIC, AU

(DEL) Delhi Indira Gandhi International Airport

Delhi, IN

On-Time Performance Chart

(using rounded numbers)
On-Time
32
53%
Late
10
17%
Very Late
8
13%
Excessive
9
15%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
38
Codeshares
0
Average Delay (min.)
42
Standard Deviation
61.3
Min
0
Max
331

AI 309 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 53%
Average Delay Time 42 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 6% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. 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
0.7 of 5
Poor
Average Delay Time 42 min
This flight has an average delay of 42 minutes with a standard deviation of 61.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.