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(ET) Ethiopian Airlines 501 On-Time Performance Rating

Date Range:

15-May-2025 to 15-Jul-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ADD) Addis Ababa Bole International Airport

Addis Ababa, ET

On-Time Performance Chart

(using rounded numbers)
On-Time
29
48%
Late
16
27%
Very Late
10
17%
Excessive
5
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
52
Codeshares
0
Average Delay (min.)
28.807692307692307
Standard Deviation
43.8
Min
0
Max
307

ET 501 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 48%
Average Delay Time 28.807692307692307 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 40% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
This flight has an on-time performance of 48%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 28.807692307692307 min
This flight has an average delay of 28.807692307692307 minutes with a standard deviation of 43.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.