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(ET) Ethiopian Airlines 501 On-time Performance Rating

Date Range:

01-Nov-2018 to 31-Dec-2018

(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
41
72%
Late
7
12%
Very Late
5
9%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
24
Standard Deviation
23.9
Min
3
Max
107

ET 501 On-time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 72%
Average Delay Time 24 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
0.9 of 5
Poor
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 18% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 24 min
This flight has an average delay of 24 minutes with a standard deviation of 23.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.