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(AY) Finnair 5438 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
49
80%
Late
2
3%
Very Late
0
0%
Excessive
4
7%
Cancelled
6
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
15
Codeshares
61
Average Delay (min.)
22.666666666666668
Standard Deviation
24.5
Min
0
Max
72

AY 5438 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 80%
Average Delay Time 22.666666666666668 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
4.2 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 22.666666666666668 min
This flight has an average delay of 22.666666666666668 minutes with a standard deviation of 24.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.