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(AY) Finnair 3978 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(SMF) Sacramento International Airport

Sacramento, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
66%
Late
4
14%
Very Late
2
7%
Excessive
3
10%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
17
Codeshares
29
Average Delay (min.)
31.235294117647058
Standard Deviation
42.5
Min
0
Max
173

AY 3978 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 66%
Average Delay Time 31.235294117647058 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 31.235294117647058 min
This flight has an average delay of 31.235294117647058 minutes with a standard deviation of 42.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.