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(AY) Finnair 4020 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(LHR) London Heathrow Airport

London, EN, GB

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
95%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
2
Codeshares
19
Average Delay (min.)
8
Standard Deviation
1.4
Min
0
Max
9

AY 4020 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 100%
Average Delay Time 8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 100%
This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 8 min
This flight has an average delay of 8 minutes with a standard deviation of 1.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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