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(ET) Ethiopian Airlines 4109 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(GYN) Goiania Saint Genoveva International Airport

Goiania, GO, BR

(GRU) Sao Paulo-Guarulhos International Airport

Sao Paulo, SP, BR

On-Time Performance Chart

(using rounded numbers)
On-Time
41
72%
Late
7
12%
Very Late
6
11%
Excessive
2
4%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
36
Codeshares
57
Average Delay (min.)
20.27777777777778
Standard Deviation
24.2
Min
0
Max
131

ET 4109 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 72%
Average Delay Time 20.27777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 20.27777777777778 min
This flight has an average delay of 20.27777777777778 minutes with a standard deviation of 24.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.

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