background

(AY) Finnair 4225 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
27
71%
Late
1
3%
Very Late
0
0%
Excessive
9
24%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
15
Codeshares
37
Average Delay (min.)
58.46666666666667
Standard Deviation
49.8
Min
0
Max
128

AY 4225 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 73%
Average Delay Time 58.46666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 58.46666666666667 min
This flight has an average delay of 58.46666666666667 minutes with a standard deviation of 49.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.