background

(AI) Air India 9139 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(MAA) Chennai International Airport

Chennai, IN

(DMM) Dammam King Fahd International Airport

Dammam, SA

On-Time Performance Chart

(using rounded numbers)
On-Time
4
22%
Late
6
33%
Very Late
5
28%
Excessive
3
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
18
Codeshares
18
Average Delay (min.)
44.05555555555556
Standard Deviation
63.7
Min
8
Max
281

AI 9139 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 22%
Average Delay Time 44.05555555555556 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 22%
This flight has an on-time performance of 22%. 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 44.05555555555556 min
This flight has an average delay of 44.05555555555556 minutes with a standard deviation of 63.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.