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(BA) British Airways 521 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(FLR) Florence Peretola Airport

Florence, IT

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
19
79%
Late
0
0%
Very Late
3
13%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
42.54545454545455
Standard Deviation
58.4
Min
0
Max
176

BA 521 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 79%
Average Delay Time 42.54545454545455 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 42.54545454545455 min
This flight has an average delay of 42.54545454545455 minutes with a standard deviation of 58.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.