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(AI) Air India 309 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(MEL) Melbourne Tullamarine Airport

Melbourne, VIC, AU

(DEL) Delhi Indira Gandhi International Airport

Delhi, IN

On-Time Performance Chart

(using rounded numbers)
On-Time
41
68%
Late
5
8%
Very Late
5
8%
Excessive
8
13%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
35
Codeshares
0
Average Delay (min.)
41.57142857142857
Standard Deviation
61.3
Min
0
Max
246

AI 309 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 68%
Average Delay Time 41.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 41.57142857142857 min
This flight has an average delay of 41.57142857142857 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 18% of other flights.