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(ET) Ethiopian Airlines 4257 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(CMB) Colombo Bandaranaike International Airport

Colombo, LK

(DAC) Dhaka Hazrat Shahjalal International Airport

Dhaka, BD

On-Time Performance Chart

(using rounded numbers)
On-Time
3
60%
Late
0
0%
Very Late
2
40%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
3
Codeshares
5
Average Delay (min.)
25.666666666666668
Standard Deviation
14.7
Min
0
Max
37

ET 4257 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 60%
Average Delay Time 25.666666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 25.666666666666668 min
This flight has an average delay of 25.666666666666668 minutes with a standard deviation of 14.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.