background

(AY) Finnair 1691 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(HEL) Helsinki-Vantaa Airport

Helsinki, FI

(TFS) Tenerife South Airport

Tenerife, CI, ES

On-Time Performance Chart

(using rounded numbers)
On-Time
27
77%
Late
4
11%
Very Late
4
11%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
18.733333333333334
Standard Deviation
11.9
Min
0
Max
39

AY 1691 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 77%
Average Delay Time 18.733333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 18.733333333333334 min
This flight has an average delay of 18.733333333333334 minutes with a standard deviation of 11.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.