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(FB) Bulgaria Air 852 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(LHR) London Heathrow Airport

London, EN, GB

(SOF) Sofia Airport

Sofia, BG

On-Time Performance Chart

(using rounded numbers)
On-Time
39
91%
Late
0
0%
Very Late
1
2%
Excessive
3
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
33.54545454545455
Standard Deviation
40.4
Min
0
Max
107

FB 852 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 91%
Average Delay Time 33.54545454545455 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 33.54545454545455 min
This flight has an average delay of 33.54545454545455 minutes with a standard deviation of 40.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.