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(AY) Finnair 4138 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MEM) Memphis International Airport

Memphis, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
75%
Late
0
0%
Very Late
1
5%
Excessive
3
15%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
8
Codeshares
19
Average Delay (min.)
41.25
Standard Deviation
47.6
Min
0
Max
131

AY 4138 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 79%
Average Delay Time 41.25 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
3.1 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 41.25 min
This flight has an average delay of 41.25 minutes with a standard deviation of 47.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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