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(AY) Finnair 4186 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(LHR) London Heathrow Airport

London, EN, GB

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
55
90%
Late
1
2%
Very Late
0
0%
Excessive
1
2%
Cancelled
3
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
10
Codeshares
60
Average Delay (min.)
17.1
Standard Deviation
37.1
Min
0
Max
122

AY 4186 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 92%
Average Delay Time 17.1 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. 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
3.9 of 5
Good
Average Delay Time 17.1 min
This flight has an average delay of 17.1 minutes with a standard deviation of 37.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.