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(AI) Air India 9509 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(DEL) Delhi Indira Gandhi International Airport

Delhi, IN

(GAU) Guwahati Lokpriya Gopinath Bordoloi Intl Airport

Guwahati, IN

On-Time Performance Chart

(using rounded numbers)
On-Time
50
85%
Late
2
3%
Very Late
3
5%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
25
Codeshares
59
Average Delay (min.)
49.8
Standard Deviation
89.2
Min
0
Max
317

AI 9509 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 85%
Average Delay Time 49.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 49.8 min
This flight has an average delay of 49.8 minutes with a standard deviation of 89.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.