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(AI) Air India 8521 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(BER) Berlin Brandenburg Airport

Berlin, DE

(FRA) Frankfurt Airport

Frankfurt, DE

On-Time Performance Chart

(using rounded numbers)
On-Time
33
80%
Late
8
20%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
22
Codeshares
41
Average Delay (min.)
11.363636363636363
Standard Deviation
8
Min
0
Max
27

AI 8521 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 81%
Average Delay Time 11.363636363636363 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 11.363636363636363 min
This flight has an average delay of 11.363636363636363 minutes with a standard deviation of 8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.