background

(AY) Finnair 3744 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(MIA) Miami International Airport

Miami, FL, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
31
69%
Late
6
13%
Very Late
1
2%
Excessive
6
13%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
27
Codeshares
44
Average Delay (min.)
26
Standard Deviation
28.3
Min
0
Max
100

AY 3744 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 71%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 28.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.