background

(AY) Finnair 4256 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
46%
Late
7
13%
Very Late
7
13%
Excessive
10
18%
Cancelled
6
11%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
33
Codeshares
56
Average Delay (min.)
51.24242424242424
Standard Deviation
64.9
Min
0
Max
251

AY 4256 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
Average Delay Time 51.24242424242424 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. 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
0.0 of 5
Very Poor
Average Delay Time 51.24242424242424 min
This flight has an average delay of 51.24242424242424 minutes with a standard deviation of 64.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.